Physical Science CGS and SI units of length area volume and time

PHYSICAL SCIENCE CGS and SI units of length, area, volume and time, Conversion of units from CGS to S.I and Vice versa?

Below is an extensive collection of short-answer and objective-type questions and answers focused on CGS and SI units of length, area, volume, and time, as well as unit conversions between CGS and SI units. This should help cover a broad range of possible questions for competitive exams.

Length

Q1: What is the SI unit of length?
A1: Meter (m).


Q2: What is the CGS unit of length?
A2: Centimeter (cm).


Q3: Convert 1 meter to centimeters.
A3: 100 centimeters.


Q4: How many meters are in 250 centimeters?
A4: 2.5 meters.


Q5: Convert 500 millimeters to meters.
A5: 0.5 meters.


Q6: What is the length of 5 kilometers in meters?
A6: 5,000 meters.


Q7: How many centimeters are there in 2 meters?
A7: 200 centimeters.


Q8: Convert 1500 meters to kilometers.
A8: 1.5 kilometers.


Q9: What is the length of 1.2 meters in millimeters?
A9: 1,200 millimeters.


Q10: How many meters are in 1.5 kilometers?
A10: 1,500 meters.

Area

Q11: What is the SI unit of area?
A11: Square meter (m²).


Q12: What is the CGS unit of area?
A12: Square centimeter (cm²).


Q13: Convert 1 square meter to square centimeters.
A13: 10,000 square centimeters.


Q14: How many square meters are in 500,000 square centimeters?
A14: 50 square meters.


Q15: What is the area of a square with a side of 5 meters in square meters?
A15: 25 square meters.


Q16: Convert 2 hectares to square meters.
A16: 20,000 square meters.


Q17: How many square centimeters are in 1 hectare?
A17: 10,000,000 square centimeters.


Q18: What is the area of a rectangle with dimensions 10 meters by 8 meters?
A18: 80 square meters.


Q19: Convert 200 square meters to square feet.
A19: Approximately 2,152.78 square feet.


Q20: How many square meters are there in 1,000 square feet?
A20: Approximately 92.90 square meters.

Volume

Q21: What is the SI unit of volume?
A21: Cubic meter (m³).


Q22: What is the CGS unit of volume?
A22: Cubic centimeter (cm³).


Q23: Convert 1 cubic meter to cubic centimeters.
A23: 1,000,000 cubic centimeters.


Q24: How many cubic meters are in 500,000 cubic centimeters?
A24: 0.5 cubic meters.


Q25: What is the volume of a cube with a side length of 4 meters?
A25: 64 cubic meters.


Q26: Convert 2 liters to cubic centimeters.
A26: 2,000 cubic centimeters.


Q27: How many liters are there in 1 cubic meter?
A27: 1,000 liters.


Q28: What is the volume of a cylinder with a radius of 3 meters and height of 7 meters?
A28: Approximately 197.92 cubic meters.


Q29: Convert 5 cubic meters to liters.
A29: 5,000 liters.


Q30: How many cubic centimeters are in 3 liters?
A30: 3,000 cubic centimeters.

Time

Q31: What is the SI unit of time?
A31: Second (s).


Q32: What is the CGS unit of time?
A32: The second (s) is also used in the CGS system.


Q33: Convert 1 hour to seconds.
A33: 3,600 seconds.


Q34: How many minutes are in 2 hours?
A34: 120 minutes.


Q35: Convert 500 seconds to minutes.
A35: Approximately 8.33 minutes.


Q36: How many seconds are there in 3 hours 45 minutes?
A36: 13,500 seconds.


Q37: Convert 2 days to hours.
A37: 48 hours.


Q38: How many seconds are in 5 minutes?
A38: 300 seconds.


Q39: Convert 3600 seconds to hours.
A39: 1 hour.


Q40: How many milliseconds are in 1 second?
A40: 1,000 milliseconds.

Conversion from CGS to SI Units

Q41: Convert 10 centimeters to meters.
A41: 0.1 meters.


Q42: How many meters are there in 50 centimeters?
A42: 0.5 meters.


Q43: Convert 500 square centimeters to square meters.
A43: 0.05 square meters.


Q44: How many square meters are there in 2,000 square centimeters?
A44: 0.2 square meters.


Q45: Convert 1,000 cubic centimeters to cubic meters.
A45: 0.001 cubic meters.


Q46: How many cubic meters are there in 500,000 cubic centimeters?
A46: 0.5 cubic meters.


Q47: Convert 200 liters to cubic meters.
A47: 0.2 cubic meters.


Q48: How many liters are in 1 cubic meter?
A48: 1,000 liters.


Q49: Convert 3,000 millimeters to meters.
A49: 3 meters.


Q50: How many meters are there in 1,500 millimeters?
A50: 1.5 meters.

Conversion from SI to CGS Units

Q51: Convert 1 meter to centimeters.
A51: 100 centimeters.


Q52: How many centimeters are in 0.25 meters?
A52: 25 centimeters.


Q53: Convert 5 square meters to square centimeters.
A53: 50,000 square centimeters.


Q54: How many square centimeters are there in 0.5 square meters?
A54: 5,000 square centimeters.


Q55: Convert 2 cubic meters to cubic centimeters.
A55: 2,000,000 cubic centimeters.


Q56: How many cubic centimeters are there in 0.1 cubic meters?
A56: 100,000 cubic centimeters.


Q57: Convert 500 milliliters to cubic centimeters.
A57: 500 cubic centimeters.


Q58: How many cubic centimeters are there in 2 liters?
A58: 2,000 cubic centimeters.


Q59: Convert 15 hours to seconds.
A59: 54,000 seconds.


Q60: How many seconds are there in 3 hours?
A60: 10,800 seconds.

Additional Questions on CGS and SI Units

Q61: What is the conversion factor for length from centimeters to meters?
A61: Divide by 100.


Q62: How do you convert area from square centimeters to square meters?
A62: Divide by 10,000.


Q63: What is the conversion factor for volume from cubic centimeters to cubic meters?
A63: Divide by 1,000,000.


Q64: How do you convert time from milliseconds to seconds?
A64: Divide by 1,000.


Q65: What is the formula to convert from cubic meters to liters?
A65: Multiply by 1,000.


Q66: How do you convert from square feet to square meters?
A66: Multiply by 0.092903.


Q67: What is the conversion factor for converting from gallons to liters?
A67: Multiply by 3.785.


Q68: Convert 100 square meters to hectares.
A68: 0.01 hectares.


Q69: How many millimeters are there in 0.5 meters?
A69: 500 millimeters.


Q70: What is the conversion factor from cubic inches to cubic meters?
A70: Multiply by 0.000016387.


Q71: How do you convert from hours to minutes?
A71: Multiply by 60.


Q72: Convert 1 hectare to acres.
A72: 2.471 acres.


Q73: How many feet are there in 1 meter?
A73: Approximately 3.28084 feet.


Q74: Convert 3 meters to feet.
A74: Approximately 9.84252 feet.


Q75: What is the conversion factor for converting from cubic meters to gallons?
A75: Multiply by 264.172.


Q76: How do you convert from grams to kilograms?
A76: Divide by 1,000.


Q77: Convert 500 square meters to acres.
A77: Approximately 0.124 acres.


Q78: How many meters are in 1 kilometer?
A78: 1,000 meters.


Q79: Convert 200 millimeters to centimeters.
A79: 20 centimeters.


Q80: How many cubic meters are there in 10,000 liters?
A80: 10 cubic meters.


Q81: Convert 2 hours 30 minutes to seconds.
A81: 9,000 seconds.


Q82: How do you convert from millimeters to inches?
A82: Divide by 25.4.


Q83: Convert 50 liters to cubic centimeters.
A83: 50,000 cubic centimeters.


Q84: What is the conversion factor from cubic meters to cubic feet?
A84: Multiply by 35.3147.


Q85: How many liters are in 2 cubic feet?
A85: Approximately 56.6 liters.


Q86: Convert 5 days to hours.
A86: 120 hours.


Q87: How do you convert from hours to seconds?
A87: Multiply by 3,600.


Q88: Convert 1 cubic meter to gallons.
A88: Approximately 264.172 gallons.


Q89: What is the conversion factor from liters to gallons?
A89: Multiply by 0.264172.


Q90: How many square meters are there in 1,000 square feet?
A90: Approximately 92.9 square meters.


Q91: Convert 7 hours to minutes.
A91: 420 minutes.


Q92: How many milliliters are in 2 liters?
A92: 2,000 milliliters.


Q93: Convert 100 grams to kilograms.
A93: 0.1 kilograms.


Q94: How do you convert from meters to feet?
A94: Multiply by 3.28084.


Q95: Convert 10,000 square centimeters to square meters.
A95: 1 square meter.


Q96: How many liters are there in 500 milliliters?
A96: 0.5 liters.


Q97: Convert 3 cubic meters to cubic feet.
A97: Approximately 105.87 cubic feet.


Q98: What is the conversion factor for converting from kilograms to grams?
A98: Multiply by 1,000.


Q99: How many hours are in 5,000 seconds?
A99: Approximately 1.39 hours.


Q100: Convert 4 gallons to liters.
A100: Approximately 15.14 liters.


Q101: How many cubic centimeters are in 0.5 liters?
A101: 500 cubic centimeters.


Q102: Convert 2 weeks to days.
A102: 14 days.


Q103: How many days are there in 3 months (approximately)?
A103: Approximately 90 days.


Q104: Convert 1 cubic foot to liters.
A104: Approximately 28.32 liters.


Q105: How many milliliters are there in 1 liter?
A105: 1,000 milliliters.


Q106: Convert 5 kilograms to grams.
A106: 5,000 grams.


Q107: How many liters are there in 10 cubic meters?
A107: 10,000 liters.


Q108: What is the conversion factor from inches to centimeters?
A108: Multiply by 2.54.


Q109: Convert 50 square meters to square feet.
A109: Approximately 538.2 square feet.


Q110: How many cubic feet are there in 1 cubic meter?
A110: Approximately 35.31 cubic feet.


Q111: Convert 5,000 square centimeters to square meters.
A111: 0.5 square meters.


Q112: How many seconds are in 2 hours?
A112: 7,200 seconds.


Q113: Convert 0.5 cubic meters to liters.
A113: 500 liters.


Q114: How many square meters are in 10,000 square feet?
A114: Approximately 929 square meters.


Q115: Convert 1,000 millimeters to centimeters.
A115: 100 centimeters.


Q116: How many liters are in 0.5 cubic meters?
A116: 500 liters.


Q117: Convert 2 days to seconds.
A117: 172,800 seconds.


Q118: How many cubic meters are there in 5,000 liters?
A118: 5 cubic meters.


Q119: Convert 100 milliliters to liters.
A119: 0.1 liters.


Q120: How many cubic centimeters are in 2 liters?
A120: 2,000 cubic centimeters.


Q121: Convert 1 hectare to acres.
A121: 2.471 acres.


Q122: How many square meters are in 1 acre?
A122: Approximately 4,047 square meters.


Q123: Convert 50 cubic feet to liters.
A123: Approximately 1,416.8 liters.


Q124: How many cubic meters are in 2,000 liters?
A124: 2 cubic meters.


Q125: Convert 2.5 hours to seconds.
A125: 9,000 seconds.


Q126: How many cubic centimeters are in 1 liter?
A126: 1,000 cubic centimeters.


Q127: Convert 0.75 cubic meters to liters.
A127: 750 liters.


Q128: How many square centimeters are there in 1 square meter?
A128: 10,000 square centimeters.


Q129: Convert 10,000 millimeters to meters.
A129: 10 meters.


Q130: How many gallons are in 1 liter?
A130: Approximately 0.264 gallons.


Q131: Convert 50 milliliters to cubic centimeters.
A131: 50 cubic centimeters.


Q132: How many seconds are in 4 hours?
A132: 14,400 seconds.


Q133: Convert 100 grams to kilograms.
A133: 0.1 kilograms.


Q134: How many square meters are there in 10,000 square feet?
A134: Approximately 929 square meters.


Q135: Convert 1 cubic meter to cubic inches.
A135: Approximately 61,024 cubic inches.


Q136: How many square feet are in 1 square meter?
A136: Approximately 10.764 square feet.


Q137: Convert 3,000 millimeters to meters.
A137: 3 meters.


Q138: How many cubic meters are in 500 liters?
A138: 0.5 cubic meters.


Q139: Convert 2 hours to seconds.
A139: 7,200 seconds.


Q140: How many liters are in 5 cubic meters?
A140: 5,000 liters.


Q141: Convert 0.5 acres to square meters.
A141: Approximately 2,023 square meters.


Q142: How many seconds are there in 15 minutes?
A142: 900 seconds.


Q143: Convert 1 liter to gallons.
A143: Approximately 0.264 gallons.


Q144: How many cubic feet are there in 2 cubic meters?
A144: Approximately 70.65 cubic feet.


Q145: Convert 100 grams to milligrams.
A145: 100,000 milligrams.


Q146: How many square centimeters are in 1 square meter?
A146: 10,000 square centimeters.


Q147: Convert 2 hours to minutes.
A147: 120 minutes.


Q148: How many milliliters are in 0.25 liters?
A148: 250 milliliters.


Q149: Convert 500 cubic inches to liters.
A149: Approximately 8.2 liters.


Q150: How many cubic meters are there in 10,000 liters?
A150: 10 cubic meters.


Q151: Convert 5 days to hours.
A151: 120 hours.


Q152: How many liters are in 1.5 cubic meters?
A152: 1,500 liters.


Q153: Convert 0.1 liters to milliliters.
A153: 100 milliliters.


Q154: How many grams are in 0.5 kilograms?
A154: 500 grams.


Q155: Convert 1,000 cubic centimeters to liters.
A155: 1 liter.


Q156: How many cubic feet are there in 5 cubic meters?
A156: Approximately 176.57 cubic feet.


Q157: Convert 2 acres to square meters.
A157: Approximately 8,094 square meters.


Q158: How many milliliters are in 1 liter?
A158: 1,000 milliliters.


Q159: Convert 0.5 cubic feet to liters.
A159: Approximately 14.2 liters.


Q160: How many grams are in 2.5 kilograms?
A160: 2,500 grams.


Q161: Convert 500 square meters to square feet.
A161: Approximately 5,381.96 square feet.


Q162: How many hours are there in 3 days?
A162: 72 hours.


Q163: Convert 1 cubic meter to cubic feet.
A163: Approximately 35.31 cubic feet.


Q164: How many liters are in 0.25 cubic meters?
A164: 250 liters.


Q165: Convert 100 square feet to square meters.
A165: Approximately 9.29 square meters.


Q166: How many cubic centimeters are there in 0.75 liters?
A166: 750 cubic centimeters.


Q167: Convert 3 days to hours.
A167: 72 hours.


Q168: How many grams are there in 0.2 kilograms?
A168: 200 grams.


Q169: Convert 2,000 milliliters to liters.
A169: 2 liters.


Q170: How many cubic meters are there in 1,000 liters?
A170: 1 cubic meter.


Q171: Convert 0.2 acres to square meters.
A171: Approximately 809 square meters.


Q172: How many seconds are there in 10 minutes?
A172: 600 seconds.


Q173: Convert 1 liter to cubic centimeters.
A173: 1,000 cubic centimeters.


Q174: How many square feet are in 1,000 square meters?
A174: Approximately 10,763.91 square feet.


Q175: Convert 0.75 cubic meters to liters.
A175: 750 liters.


Q176: How many liters are in 3 cubic meters?
A176: 3,000 liters.


Q177: Convert 5 hours to minutes.
A177: 300 minutes.


Q178: How many millimeters are there in 1 meter?
A178: 1,000 millimeters.


Q179: Convert 2 liters to cubic feet.
A179: Approximately 0.070 cubic feet.


Q180: How many square meters are there in 500 square feet?
A180: Approximately 46.45 square meters.


Q181: Convert 100 cubic feet to liters.
A181: Approximately 2,831.68 liters.


Q182: How many days are there in 1 year?
A182: Approximately 365 days.


Q183: Convert 0.3 cubic meters to liters.
A183: 300 liters.


Q184: How many liters are in 4 cubic meters?
A184: 4,000 liters.


Q185: Convert 1 square meter to square feet.
A185: Approximately 10.764 square feet.


Q186: How many cubic centimeters are there in 1 milliliter?
A186: 1 cubic centimeter.


Q187: Convert 0.5 square meters to square feet.
A187: Approximately 5.38 square feet.


Q188: How many grams are in 3 kilograms?
A188: 3,000 grams.


Q189: Convert 0.5 liters to cubic inches.
A189: Approximately 30.5 cubic inches.


Q190: How many cubic meters are there in 5,000 liters?
A190: 5 cubic meters.


Q191: Convert 3 square feet to square meters.
A191: Approximately 0.279 square meters.


Q192: How many liters are in 0.2 cubic meters?
A192: 200 liters.


Q193: Convert 0.4 cubic meters to cubic feet.
A193: Approximately 14.12 cubic feet.


Q194: How many square centimeters are in 0.5 square meters?
A194: 5,000 square centimeters.


Q195: Convert 1.5 hours to seconds.
A195: 5,400 seconds.


Q196: How many cubic meters are in 200,000 cubic centimeters?
A196: 0.2 cubic meters.


Q197: Convert 5,000 milliliters to liters.
A197: 5 liters.


Q198: How many grams are in 4.5 kilograms?
A198: 4,500 grams.


Q199: Convert 1 cubic foot to liters.
A199: Approximately 28.32 liters.


Q200: How many square meters are there in 500 square feet?
A200: Approximately 46.45 square meters.

This comprehensive list should provide a solid foundation for understanding and practicing the conversions and units used in physical science measurements.