TEST - 15 (X - REFRACTION OF LIGHT AT CURVED SURFACES)

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EFFORTS NEVER FAIL

NAME : *

1.The convex lens behaves as a lens, if it is kept in a medium with refractive index less than the refractive index of the lens. *

1 point

Converging

Converging and diverging

Diverging

All the above

2.The rays from the distant object, falling on the convex lens pass through *

1 point

Pole

Center of curvature

Focus

Focal length

3.The ray passing through the of the lens is not deviated. *

1 point

Pole

Center of curvature

Focus

A and B

4.If the rays move very close to the principal axis, the rays can be treated as parallel and are called rays. *

1 point

Focal rays

parallel rays

Undeviated rays

Parixial rays

5. image cannot be seen by eyes. *

1 point

Real

Virtual

Both A and B

D) None of these

6. image is captured on screen. *

1 point

Real

Virtual

Both A and B

D) None of these

7. lens is called converging lens. *

1 point

Concave

Convex

Plano concave

Plano convex

8.The ray that travels along the principal axis is *

1 point

Deviated

Undeviated

Reflected

All

9.The ray that travels along the pole is *

1 point

Deviated

Undeviated

Reflected

All

10.Which of the following image is observed by our eyes? *

1 point

Real

Virtual

Both A and B

None of these

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