Alpha Question Bank for Medical: Physics>Chapter 30 - Ray Optics>Exercise-1>Q 27

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A convex mirror of focal length $f$ forms an image which is $1 / n$ times the object. The distance of the object from the mirror is

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Important Questions on Ray Optics

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Alpha Question Bank for Medical: Physics>Chapter 30 - Ray Optics>Exercise-1>Q 29

The field of view is maximum for

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Alpha Question Bank for Medical: Physics>Chapter 30 - Ray Optics>Exercise-1>Q 30

The focal length of a concave mirror is

f

and the distance from the object to the principle focus is

x

. The ratio of the size of the image to the size of the object is

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Alpha Question Bank for Medical: Physics>Chapter 30 - Ray Optics>Exercise-1>Q 31

The image formed by a convex mirror is

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Alpha Question Bank for Medical: Physics>Chapter 30 - Ray Optics>Exercise-1>Q 32

The image formed by a convex mirror of the focal length

30 cm

is a quarter of the size of the object. The distance of the object from the mirror is

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Alpha Question Bank for Medical: Physics>Chapter 30 - Ray Optics>Exercise-1>Q 34

A square $A B C D$ of side $1 mm$ is kept at distance $15 cm$ infront of the concave mirror as shown in the figure. The focal length of the mirror is $10 cm$ . The length of the perimeter of its image will be (nearly):

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Alpha Question Bank for Medical: Physics>Chapter 30 - Ray Optics>Exercise-1>Q 36

The distance of an object from the focus of a convex mirror of radius of curvature $a$ is $b$ . Then the distance of the image from the focus is:

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Alpha Question Bank for Medical: Physics>Chapter 30 - Ray Optics>Exercise-1>Q 37

An object is placed at a distance

u

from a concave mirror and its real image is received on a screen placed at a distance of

v

from the mirror. If

f

is the focal length of the mirror, then the graph between

\frac{1}{v}

versus

\frac{1}{u}

is

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Alpha Question Bank for Medical: Physics>Chapter 30 - Ray Optics>Exercise-1>Q 38

Total internal reflection occurs in waves when wave enters-