# Physics Quiz Questions With Answer

**Question 1:**** Which one is supplementary unit?**

(A) second

(B) Ampere

(C) Candella

(D) Steradian

**Question 2: ****Parsec is unit of……**

(A) Distance

(B) Velocity

(C) Time

(D) Plane angle

**Question 3:**** Which one is unit of Intensity of an electric field ?**

(A) Vm

(B) NC

(C) Vm-1

(D) As

**Question 4: ****Which one is not a unit of time ?**

(A) second

(B) hour

(C) year

(D) lightyear

**Question 5:** **Which one is not a physical quantity ?**

(A) Kelvin

(B) Candella

(C) Volt

(D) All

**Question 6:**** Which physical quantity having same unit in all the unit system ?**

(A) Length

(B) Time

(C) Mass

(D) Work

**Question 7:**** dyne g.1 is a unit of which physical quantity ?**

(A) Velocity

(B) mass

(C) Force

(D) Acceleration

**Question 8: ****Which physical quantity from given below is dimensionless?**

(A) Angle

(B) Stress

(C) density

(D) Latent heat

**Question 9: The average distance between sun and earth is called _____ .**

(A) 1 Parsec

(B) 1 lightyear

(C) 1 AU

(D) 1A°

**Question 10: ****Which unit is different than other unit ?**

(A) Ws

(B) KWh

(C) Js

(D) eV

**Question 11: ****If the units for mass, length and time become double, then unit of angular momentum becomes ____ .**

(A) Doubles

(B) Three times

(C) Four times

(D) Eight times

**Question 12: ** **Ns is a unit of which physical quantity?**

(A) velocily

(B)Angular momentum

(C) Linear momentum

(D) work

**Question 13: ****The volume and area of surface are equal for a given cube. Then the surface area = ____ unit.**

(A) 36

(B) 216

(C) 144

(D) 1000

**Question 14: ****Nm-2 is not a unit of physical quantity given below?**

(A) Pressure

(B) Stress

(C) Bulk modulus

(D) Strain

**Question 15: ****If the unit of length and force increases to four times, the unit of energy _________ .**

(A) Increases to 8 times

(B) Increases to 16 times

(C) Decreases to 8 times

(D) Decreases to 16 times

**Question 16: ****If the unit of length and time are taken as km and hr, what is the value of g in km h-1.**

(A) 980

(B) 9800

(C) 1,27,008

(D) 12,700

**Question 17: ****For a wire, mass = (0.3 ± 0.003) g radius = (0.5 ± 0.005) mm and length = (6 ± 0.06) cm, percentage error in density is _____ .**

(A) 1 %

(B) 2 %

(C) 3 %

(D) 4 %

**Question 18: The periodic time of second pendulum is 2.0 s and mean absolute error in its measurement is 0.01s, then value of periodic time with error is _____ .**

(A) 2.0 ± 0.10 s

(B) 2.0 ± 0.05 s

(C) 2.0 ± 0.02 s

(D) 2.0 ± 0.01 s

**Question 19: ****How many significant digits in 0.0250?**

(A) 1

(B) 2

(C) 3

(D) 4

**Question 20: ****1.875 + 2.41 = _____ (by considering significant digits)**

(A) 4.3

(B) 4.28

(C) 4.285

(D) 4.29

**Question 21: ****Significant digits in 0.0007 are …**

(A) 1

(B) 2

(C) 3

(D) 4

**Question 22: ****When 1.71 N is Subtracted from 3.75 N the result in significant figures is ______ .**

(A) 2 N

(B) 2.0 N

(C) 2.04 N

(D) 2.000 N

**Question 23 : ****Thickness of plate measured by micrometer having least count 0.01mm is 1.03 mm. What is the percentage error in the measurement of thickness of plate ?**

(A) 0.7 %

(B) 0.97 %

(C) 1 %

(D) 1.2 %

**Question 24: ****9.15 + 3.8 = _____ (by considering significant digits).**

(A) 13

(B) 13.0

(C) 13.00

(D) 13.000

**Science and Technology Quizzes List**