Sample Physics Question 3 for SSC

Mymensingh Girls Cadet College

Pre-test Examination-2008

Class-X

Subject- Physics (Objective)

Time:   35 Minutes                                                                                                                  Full Marks: 35

1.   Who discovered x‑ray?

(a) H. Bacquerel                (b) Roentgen

(c) Henry                           (d) Oersted

2.  Which one is a derived unit?

                                                (a) Mole (b) Candela   (c) Watt             (d) Kelvin

3. When the velocity of a body is double what would be its kinetic energy?

  (a) 3 times     (b) 4 times   (c) 5 times  (d) 8 times

4. If 90 N force is applied on a body of mass 30kg what would be the acceleration?

         (a) ms^-2           (b) 24 kgms^-2  

         (c) 9 ms^-2            (d) 3 ms^-2

5.  For small angular displacement, what is the relation between the time period T and the   effective length L of a simple pendulum?

         (a) T α L                 (b) T α

           (c) T α        (d) T α L²

6. Gravitation force depends on which one?

         (a) Mass of the two particles

         (b) Shape of the two particles

         (c) Nature of the two particles

(d) Nature of the medium.

7. Which one is the value of g at the topical region?

         (a) 9.87ms^-2        (b) 9.78ms^-2

         (c) 9.80ms^-2        (d)  9.83ms^-2

8. What is called the maximum displacement of a bob on either side of its position of equilibrium?

         (a) Amplitude    (b) Oscillation

         (c)  Frequency   (d) Time period.

9. Kinetic energy is proportional to which one of the following?

(a) Velocity     (b) Weight

(c) Pressure      (d) Height

10. Which is the correct formula for pressure?

(a) p= FA  (b)   (c)     (d)

11.What does it mean by the quantity of matter contained in unit volume of a body ?

(a)  volume (b) intensity  (c)Density  (d)  pressure

12. If a body is immerged in a gas or liquid what seems to be with the weight?

(a)  increases            (b) decreases   (c)  remains same    (d) none

13. When water is converted into ice, what happens to its volume?

(a)  expands                  (b)  decreases  (c)  remain same           (d)  none

14.  What is the orientation of wave to the direction of vibration of particles in transverse wave? 

(a) In parallel                  (b) At an angle of 300 (c) At right angle            (d) At any angle

15. The distance that a wave travels per unit time in definite direction is called -

(a) Wave length        (b) Wave velocity (c)  Amplitude          (d)  Phase

16.What is called if a transmitting particle starts its journey from a certain point and comes back to the same point?

(a) Time period            (b) Frequency (c)  Complete vibration   (d) Amplitude

17.Which one of the following is mechanical wave?

(a)  Light   (b)  Heat    (c)  sound   (d)  Radio

18.Intermolecular force is least in which one ?

(a)  Carbon    (b)  liquid   (c)  solid   (d)  gaseous

19.What is called the temperature at which water can co-exist as ice, water and water vapor ?

(a)   Curie point    (b)  Triple point   (c)  Absolute  temperature  (d)  dilute  point

20.What happens to the kinetic energy of atoms with increase of heat ?

(a)  Decreases (b)  remains same (c) increases   (d)  all

21.In which of the following liquid do we find anomalous expansion?

         (a) Milk (b) water (c) petrol (d) Mercury

22.Which one of the following liquid is volatile?

         (a) Water (b) milk (c) Benzene (d) mercury

23. Which ray is used to examine Crystal structure?

      a) a ‑ray (b) b ‑ray (c) X‑ray (d) g ‑ray

24. Which one is the correct equation for amount of heat gained or lost?

      (a) Q=msDθ           (b) Q=mDQ

      (c) Q=ms               (d) Q=

25. How heat is transmitted by the process of radiation?

(a)    By the movement of the molecules of the medium.

(b)   In the form of mechanical wave.

(c)    In the form of electromagnetic wave.

(d)   By the vibrations of the molecules of the medium.

26. Conduction of heat is maximum in which medium?

      (a) Solid                (b) Liquid

      (c) Gas                   (d) None

27. The rate of evaporation depends on which factor?

(a)    Temperature of the liquid

(b)   Density of the liquid

(c)    Nature of the liquid

(d)   Mass of the liquid

28. In which process heat is transferred by the actual movement of the molecules?

      (a) Conduction      (b) Convection

      (c) Radiation         (d) All

29. In which year Dr. Otto first designed petrol engine?

      (a) 1885 (b) 1888 (c) 1886 (d) 1880

30. Interference, diffraction and polarization display which nature of light?

      (a) Wave nature     (b) particle nature

      (c) Quantum nature (d) magnetic nature

 31. What is called the amount of light emitted per second from a luminous source?

      (a) Luminous         (b) luminous flux

      (c) Illumination     (d) none

32. When light passes from one medium to another medium how many kinds of incidence can happen?

            (a) two  (b) three  (c) four  (d) five

33. Velocity of light in optically denser medium  is-

      (a) more (b) less (c) Equal (d) both (a)and(b)

34. How many conditions are there for total internal reflection?

(a)    two (b) three (c) four (d) five

35. Rod nerve response to intense which light?

(a) Bright light      (b) Dream light

(c) White light       (d) Sharp light