Question

1. To produce a displacement..........is required *

1 point

time

distance

force

movement

2.A man of mass 100 kg has a weight 0f..........at the surface of the Earth *

1 point

98 N

980 N

9800 N

9.8 N

3.Plotting a graph for momentum on the X-axis and time on Y-axis. slope of momentum-time graph gives *

1 point

impulsive force

acceleration

force

rate of force

Option 5

4.Amount of light entering into the eye is
controlled by .......... *

1 point

pupil

retina

iris

cilliary muscles

5.Power of a lens is -4D, then its focal length is *

1 point

4 m

- 40 m

-0.25 m

-2.5 m

Option 5

6.The eye defect presbyopia can be corrected by *

1 point

convex lens

concave lens

convex mirror

Bi focal lenses

7.The temperature and heat are........quantities *

1 point

scalar

vector

directional

constant

8.According to Boyle's law, the shape of the
graph between pressure and reciprocal of
volume is *

1 point

curvature

straight line

tangent

parallel

9.Temperature is the average ...............
of the molecules of a substance

1 point

difference in kinetic energy and potential energy

sum of potential energy and kinetic energy

difference in total energy and potential energy

difference in kinetic energy and Total energ y

Option 5

Other:

10. The reciprocal of focal length of the lens is *

1 point

power of lens

radius of curvature

centre of curvature

principal Focus...
pls help me soon ...don't send unwanted answer ..say 10 one marks answer​

Answer 1

1. To produce displacement, distance is required.
2. 98 N.
3. Rate of Force.
4. Cillary Muscles
5. 1/-4 = -0.25 cm
6. Bifocal lens.
7. Scalar quantities. they only have magnitude.
8. Tangent (I'm not sure about this answer. Plz verify)
9. Difference in kinetic and total energy.
10. Power of lens.

Answer 2

Answer:

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