1. The science which makes us understand nature is called ……a) Biology b) Chemistry c) Physics d) Human Science

2. The universe is made up of ……..a) matter only b) radiation only c) vacuum d) matter and radiation

3. What is the approximate value of the radius of a nucleus?a) 10-14 m b) 10-14 cm c) 10-14 mm d) 10-14 A0

4. The approximate value of charge of an electron is ……..C.a) 10-19 b) 10-29 c) 10-39 d) 1019

5. 1amu = ___________ kg a) 1.66 x 10-30 b) 1.66 x 10-27 c) 1.66 x 1027 d) 1.66 x 1030

6. 10 = _____a) 60” b) 180” c) 600” d) 3600”

7. In the measurement of mass with Mass spectrograph, the radius of the particle moving in an electric filed and magnetic field is in _________ proportional to its mass.a) inverseb) direct c) inverse square d) independent

8. ________ should be there in the measurement of physical quantity?a)more accuracy and less precession b) less accuracy and more precession c) more accuracy and more precession d) less accuracy and less precession

9. Systematic errors are _________ a) Only positive b) Only negativec) Positive or Negative d) Positive and Negative both at a time

10. Vernier Caliper is being used to measure the length of ____ order. a) 102 m b) 10-3m c) 10-4m d) 10-5 m

11. Angular diameter of SUN is 1920”. If the distance between earth and sun is 1 AU then the diameter of the sun is _______ (1” = 4.85 x 10-6 rad, 1 AU = 1.496 x 1011 m) a) 1.393 x 106 km b) 1.393 x 109 km c) 1.393 x 106 m d) 1.393 x 1012 km

12. Range of Wavelength of visible light is ___________ a) 4000 m to 8000 m b) 4x10-7 m to 8 x 10-7 m c) 4x10-13 m to 8 x 10-13 m d) 400 m to 800 m

13. The average distance between earth and sun is _______ a) 1 fm b) 1 AU c)1 pc d) 1 ly

14. The mass of an empty beaker is ( 50.3 ±0.2 ) g. After pouring water, its mass becomes (59.4±0.2) g. Mass of the water with error is _______ a) (9.1 ±0.4) g b) (9.1 ±0.3) g c) (9.1 ±0.2) g d) (9.1 ±0.1) g

15. The resistances R1 = (100 ±3) Ω and R2 = (200 ±4) Ω are connected in series with each other. Absolute error in total resistance is ______ a) 7 Ω b) 1 Ω c) (300 ±6) Ω d) (200 ±7) Ω

16. The percentage error in measurement of radius of a sphere is 3 %. Then percentage error in measurement of volume of the sphere is _____ a) 1% b) 3% c) 6% d) 9%

17. The maximum percentage error in measurement of length and gravitational acceleration is 2% and 4% in the experiment of measurement of periodic time of Simple pendulum. The percentage error in measurement of periodic time would be ______ a) 6% b) 5% c) 4% d) 3%

18. Heat produced due to the flow an electric current through the conductor is given by the formula H = I2Rt. The percentage error in the measurement of current I, resistance R and time t is 2%, 1%, and 1% respectively. ____________ the percentage error in the measurement of heat. a) 6% b) 3% c) 2% d) 1%

19. Significant numbers of 20.402 are _____ a) 2,0,4 b) 2,4,2 c) 2,0,4,0,2 d) 2,4,2,0

20. ___ is having 3 significant figures. a) 3.033 b) 0.030 c) 30.30 d) 0.300

21. _____ is the significant figures in (3.20 +4.80) x 105. a) 5 b) 4 c) 3 d) 2

22. The number of significant figures in 0.314×104 m is:

a) 2 b) 3 c) 4 d) 623. If a physical quantity x is represented as x=M a L b T c , And the maximum percentage error in

measurement in M L T are x y and z % respectively , The total percentage error in X is: a) (xa+yb-zc)% b) (xa+yb+zc)% c) (xa-yb-zc)% d) (x+y+z)%