# Physics Measurement/Unit Physics Measurement/Unit

1. The unit of work is [UPPCS (Pre) 1996]

1. Joule
2. Neutron
3. Watt
4. Dyne

2. The SI unit of electrical resistance of conductor is [MPPCS (Pre) 1993]

2. Volts
3. Ampere
4. Ohm-metre

3. The unit of power is [UPPSC (GIC) 2010]

1. Hertz
2. Volts
3. Watt
4. Neutrons

4. The unit of the force is [MPPCS (Pre) 1990]

2. Fermi
3. Newton
4. Rutherford

5. Light year is the unit of [UP UDA/LDA (Pre) 2013 Jharkhand PCS (Pre) 2013 MPPCS (Pre) 2008]

1. Distance
2. Time
3. Speed of light
4. Intensity of light

6. Which one of the following is the unit of measure of the thickness of the ozone layer of the atmosphere? [Uttarakhand PCS (Pre) 2010]

1. Knot
2. Dobson
3. Poise
4. Maxwell

7. Light Years [UP Lower Sub. (Mains) 2013UP UDA/LDA (Pre) 2010]

1. The year in which February has 29 days
2. The distance travelled by light in one year
3. The time which Sun rays take to reach the Earth
4. The time in which a spacecraft reaches Moon from the Earth

8. A parsec, a unit of distance used to measure the distance related to the stars in the sky, is equal to [RAS/RTS (Pre) 1999]

1. 4.25 light years
2. 3.25 light years
3. 4.50 light years
4. 3.05 light years

9. PARSEC is the unit of [UPPCS (Pre) 1997]

1. Distance
2. Time
3. Light intensity
4. Magnetic force

10. Which unit of measurement is multiplied by 0.39 to convert it to inches? [UP UDA/LDA (Pre) 2010]

1. Millimetre
2. Centimetre
3. Metre
4. Decimetre

11. How can the height of a person who is six feet tall, be expressed (approximately) in nanometre? [IAS (Pre) 2008]

1. 183 × 106 nm
2. 234 × 106 nm
3. 183 × 107 nm
4. 181 × 107 nm

12. A nanometre is equal to [UP UDA/LDA (Pre) 2013]

1. 10–6 cm
2. 10–7 cm
3. 10–8 cm
4. 10–9 cm

13. Ampere is the unit of [Chhattisgarh PCS (Pre) 2005]

1. Voltage
2. Electric current
3. Resistance
4. Power

14. Megawatt is the measuring unit of power which is [UP Lower Sub. (Pre) 1998]

1. Generated
2. Consumed
3. Saved
4. Lost in transmission

15. Which one of the following SI unit is not correctly matched? [UP Lower Sub. (Pre) 2013]

1. Work – Joule
2. Force – Newton
3. Mass – kg
4. Pressure – Dyne

16. Which one of the following is not correctly matched? [UPPCS (Mains) 2010]

1. Knot – Measure of speed of ship
2. Nautical mile – Unit of distance used in navigation
3. Agnstrom – Unit of wavelength of light
4. Light year – Unit of measuring time

17. How many watts are there in a horsepower? [MPPCS (Pre) 1991]

1. 1000
2. 750
3. 746
4. 748

18. Jouleis related to energy in the same way as Pascalis related to [Chhattisgarh PCS (Pre) 2015]

1. Mass
2. Pressure
3. Density
4. Purity

19. One micron is equal to [39th BPSC (Pre) 1994]

1. 1/10 mm
2. 1/100 mm
3. 1/1000 mm
4. 1/10,000 mm

20. One micron represents a length of [Karnataka PSC (Pre) 2017 UPPCS (Mains) 2011]

1. 10–6 cm
2. 10–4 cm
3. 1 mm
4. 1 m

21. Which one of the following is not correctly matched? [UPPCS (Spl)(Mains) 2004 UPPCS (Pre) 2001]

1. Decibel – Unit of sound intensity
2. Horsepower – Unit of power
3. Nautical miles – Unit of naval distance
4. Celsius – Unit of heat

22. Which one of the following is not the unit of heat? [MPPCS (Pre) 2016]

1. Calorie
2. Kilocalorie
3. Kilojoule
4. Watt

23. A distance of 1 km means [45th BPSC (Pre) 2001]

1. 100 m
2. 1000 cm
3. 1000 m
4. 100 cm

24. One pikogram is equal to [42nd BPSC (Pre) 1997]

1. 10–6 gram
2. 10–9 gram
3. 10–12 gram
4. 10–15 gram

25. Pascal is a unit of measuring [Uttarakhand PCS (Pre) 2002]

1. Humidity
2. Pressure
3. Rainfall
4. Temperature

26. What is the unit of atmospheric pressure? [Chhattisgarh PCS (Pre) 2008]

1. Bar
2. Knot
3. Joule
4. Ohm

27. 1 Kg/cm2 pressure is equivalent to [Uttarakhand PCS (Pre) 2002]

1. 0.1 bar
2. 1.0 bar
3. 10.0 bar
4. 100.0 bar

28. 1 barrel of oil is equals to which of the following? [UPPCS (Pre) 2009]

1. 131 litre
2. 159 litre
3. 179 litre
4. 201 litre

29. The smallest unit of length is [UPPCS (Pre) 2005]

1. Micron
2. Nanometre
3. Angstrom
4. Fermimetre

30. One Nanometer is equal to [Uttarakhand PCS (Pre) 2016]

1. 10–9 m
2. 10–6 m
3. 10–10 m
4. 10–3 m

31. What is measured in Cusec? [Andhra Pradesh PSC (Pre) 2017 Uttarakhand PCS (Pre) 2006]

1. Purity of water
2. Depth of water
3. Flow of water
4. Quantity of water

32. Dobsonunit is used for the measurement of [Meghalaya PSC (Pre) 2018 Uttarakhand PCS (Pre) 2005]

1. Thickness of Earth
2. Thickness of Diamond
3. Thickness of Ozone layer
4. Measurement of Noise

33. Match List-I with List-II and select the correct answer using the code given below the lists. [UPPCS (Pre) 2005 UP UDA/LDA (Pre) 2001]

List-I (Physical quantities)

(a) Acceleration

(b) Force

(c) Work done

(d) Impulse

List-II (Units)

1. Joule

2. Newton second

3. Newton

4. Metre /second2

Code

 (a) (b) (c) (d) (A) 1 2 3 4 (B) 3 4 1 2 (C) 2 3 4 1 (D) 4 3 1 2

34. Match List-I with List-II and select the correct answer using the code given below the lists. [UP UDA/LDA (Pre) 2002]

List-I (Units)

(a) Watt

(b) Knot

(c) Nautical mile

(d) Calorie

List-II

(Parametric quantities)

1. Heat

3. Speed of a ship

4. Power

Code

 (a) (b) (c) (d) (A) 3 1 4 2 (B) 1 2 3 4 (C) 4 3 2 1 (D) 2 4 1 3

35. Match the following. [UPPCS (Pre) 1990]

List-I

(a) Joule (b) Ampere

(c) Watt (d) Volt

(e) Calorie

List-II

1. Current

2. Power

3. Work

4. Electric potential

5. Heat

Code

 (a) (b) (c) `(d) (A) 3 1 2 4 (B) 1 2 3 4 (C) 4 3 2 1 (D) 1 3 2 4

36. Match List-I with List-II and select the correct answer using the code given below the lists. [UPPCS (Pre) 2006 IAS (Pre) 1999]

List-I (Quantity)

(a) High speed

(b) Wavelength

(c) Pressure

(d) Energy

List-II (Units)

1. Mach 2. Angstrom

3. Pascal 4. Joule

Code

 (a) (b) (c) (d) (A) 2 1 3 4 (B) 1 2 4 3 (C) 1 2 3 4 (D) 2 1 4 3

37. Match List-I with List-II and select the correct answer using the code given below the lists. [UP Lower Sub. (Spl)(Pre) 2008]

List-I

(a) Cusec (b) Byte

(c) Richter (d) Bar

List-II

1. Pressure

2. Intensity of Earthquake

3. Rate of flow

4. Computer

Code

 (a) (b) (c) (d) (A) 1 2 3 4 (B) 3 4 2 1 (C) 4 3 2 1 (D) 3 4 1 2

1. (A) 2. (D) 3. (C) 4. (C) 5. (A) 6. (B) 7. (B) 8. (B) 9. (A) 10. (B)

11. (C) 12. (B) 13. (B) 14. (A) 15. (D) 16. (D) 17. (C) 18. (B) 19. (C) 20. (B)

21. (D) 22. (D) 23. (C) 24. (C) 25. (B) 26. (A) 27. (B) 28. (B) 29. (D) 30. (A)

31. (C) 32. (C) 33. (D) 34. (C) 35. (A) 36. (C) 37. (B)

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