Question # 1

Which types of image is formed by a concave lens on a screen?

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Inverted and real

Inverted and virtual

upright and real

Upright and virtual

Sun light consist of ____________ colour

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6

7

5

2

Image formed on a camera is:

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real,invertred, and diminished

virtual, upright and diminshed

virtual, upright and magnified

real, inverted and magnified

To see from submarine the ship at the surface of water , we use:

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Telescope

Microscope

Peri scope

Prism

A data storage device is:

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Printer

Hard disk

Monitor

CPU

Concave mirror formula is given by:

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R = 2r

sin<i/sin<r

1/f=1/p+1/q

1/f=1/p-1/q

An object of placed at he centre of curvature of a concave mirror. The image produced by the mirror is located:

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out beyond the centre of curvature.

at the centre of curvature

between the centre of curvature and the focal point

at the focal point

Power of convex lens is 10 D. Its focal length is:

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100 m

10 m

1 m

0.1 m

The centre of spherical mirror is called:

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Focus

Axis

Centre

Pole

____________ is always virtual in case of convex mirror.

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p

image

object

all of these

Which types of image is produced by the converging lens of human eye if it view a distant object?

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Real , erect, same size

Real, inverted, diminshed

Virtual, erect,diminshed

Virtual, inverted, magnified

Angle opposite to the base of triangle of prism is called:

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angle of incidence

angle of refraction

angle of prism

emerging angle

The distance of spherical mirror is called:

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Curvature

Aperture

Sphere

a,b

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