SSC Physics Model Question,No-09

Class – X

Subject : Physics

Time : 35 Minutes                                                                                                                                 Marks. 35

1.         Which one is vector quantity?

            a)  Speed          b)  Electric intensity

            c)  Electric potential   d)  Energy

2.         A train starting from rest moves with uniform acceleration of 10 ms^-2. What will be its velocity while crossing a post at a distance of 125 m?

            a)   50  ms¹                   b)  40 ms ^-1

            c)  60 ms ¹                    d)  55 ms ^-1

3.         We get ideas regarding below two things from law of Newton.

            a)  Inertia and force      

            b)  Inertia and momentum

            c)  force and momentum

            d)  Acceleration and momentum

4.         The Dimension of momentum is

            a)  ML^-1 T                    b)  MLT ^-1

            c)  MLT^-2                     d)  ML ^vT ^-2

5.         The unit of gravitional constant (G) is

            a)  Kg² N^-1 m²               b)  Nm² Kg^-1

            c)  Nm² Kg ^-2                d)  N-m

6.         Which one is not correct ?

            a)   T = 2            b)  T2 = 4

            c)  L =                  d)  T²g = 4

7.         If a man weighing 70 kg climbs 2000 m in a high mountain. How much work will he do?

            a)  1.372 x 10⁴ J            b)  1.372 x10⁵ J

            c)  1.372 x10⁶ J d)  1.372 x 10⁷J

8.         1 H. P =?

            a)  10³ W      b)  10⁶ W     c)  7.46 W   d)  746 W

9.         Heavy goods can be lifted up by means of powerful electromagnet. Here

            a)  Mechanical energy transform into      magnetic energy.

            b) Magnetic energy transform into acoustic energy

            c)  Magnetic energy transform into         mechanical energy.

            d)  Magnetic energy transform into heat energy

10.        The total force applied to a surface due to pressure is known as

            a)  Density                    b)  Thrust         

            c)  Specific gravity        d)  Gravitation

11.        1 pa =?

            a)  1 N-m²     b)  1 N-m  c)  1N/m    d)  1 N/m²

12.        All kinds of waves transmit energy as well as

            a)  radiation                   b)  water

            c)  air                           d)  information

13.        1 H_z =

            a)  1 S      b)  ¹/_S             c)   S²     d)  ¹/_S²

14.        The movement of charge from one sphere to another sphere depends on.

            a) Quantity of charges  b)  quality of charges

            c)  Electric force           d)  Electric potential

15.        A body of charge 20 coulombs is placed at a distance of 50 cm in air from another body having charge of 70 coulombs find the amount of force between the two bodies.

            a)  5.04x10¹³                 b)  3.04x10¹³N

            c)  5.04x10¹²N              d)  5.04x10¹⁴ N

16.        The upper limit of bat of the audibility range is approximately.

            a)  20.000 H_z                 b)  100,000 H_z

            c)  35, 000 H_z                d)  45,000 H_z

17.        'Echo' is the example of

            a)  Reflection of light     b)  Refraction of light

            c)  Interference of light d)  Reflection of sound

18.        What type of mirror are used is street bulbs

            a)  Plane mirror             b)  convex mirror

            c)  con cave mirror        d)  Any mirror

19.        What relation is correct ?

            a)  r =     b)  fr =1      c)  r =2f                 d)  f= 2r

20.        The refractive index of kerosene is

            a)  1.3       b)  1.66         c)  1.44      d)  1.50

21.        In 'spectacles' what type of lenses are used.

            a)  plane    b)  concave c)  Convex      d)  Any

22.        What will be the focal length of a lens of power 2d. Whether the lens in convex or concave?

            a)   0.5m, concave         b)  0.5m, convex

            c)  5m, concave             d)  5m convex

23.        1 lm =?

            a)  1 cd/m²       b)  1 cd   c)  1 cd -sr    d)  1 cd/sr

24.        The velocity of all electromagnetic waves in vacuum is

            a)  3x10⁵ m/sec             b)  3x10⁵ cm/s

            c)  3x10⁸ km/s               d)  3x10⁵ km/s

25.        Who established the foundations of algebra and trigonometry?

            a)  Al fazari      b)  Musa Al- khwarizmi

            c)  Doctor Galena   d)  Ibne Sina

26.        The volume of spherical body?

            a)                    b)  r²h

            c)  r²                         d)  

27.        The specific heat of water is -

            a)  2100 Jkg ^-1 K^-1         b)  2000 Jkg^-1 K^-1

            c)  4200 Jkg^-1 K^-1          d)  1000 Jkg-1 K^-1

28.        Heat is partially radiated through

            a)  glass    b)  water      c)  quartz   d)  C₂S

29.        The number of stroke in which the engine work is

            a)  One    b)  two   c)  three       d)  four

30.        The unit of conductance is

            a)  ohm    b)  A      c)  siemens       d)  V

31.        At O⁰C the specific resistance of copper is

            a)  1.54 x10^-8m          b)  1.44 x10^-8 m

            c)  1.34 x10^-8m          d)  1.64 x10^-8m

32.        The instrument which convert high voltage to law voltage.

            a)  Voltmeter                b)  Generator

            c)  Transformer                         d)  Motor

33.        The electromagnetic radiation, whose wave length lie in the range 10^-4 m-5x10⁴m are called

            a)  light waves   b)  Radio waves

            c)  Air waves                d)  Sound waves

34.        Which ray is independent of charge

            a)  Gamma ray             b)  Beta ray

            c)  Alpha ray                 d)  It is not possible

35.        Who discovered radioactivity?

            a)  Pierre curie b)  Becquerel

            c)  Thomson                  d)  Roentgen