A Concave Mirror Is Half Dipped In Water 2026 New Media Upload #804

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Hence, focal length of the concave mirror in air will be equal to the focal length of the concave mirror in water, that is, f 1 = f 2 Focal length of portion o.pw solutions 542k subscribers subscribed Refractive index of a medium is defined as the ratio between speed of sound in vacuum to the speed of sound in that medium

Concave Mirror Examples Optics Why Do We See Virtually Inverted

The focal length of the concave mirror in water does not depend on this value. Water level is falling at rate. We are given that the focal length of the portion of the mirror in air is \ ( f_1 \) and the focal length of the portion of the mirror in water is \ ( f_2 \).

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The focal length of a mirror is not affected by the medium in which it is placed

This is because the focal length of a mirror depends on its curvature and not on the medium Therefore, the focal length of the mirror in air (f 1) will be equal to the focal length of the mirror in water (f 2) So, the correct answer is f 1 = f 2. A concave mirror is half dipped in water

Focal length of portion of mirror is the air is f 1 and length of mirror in water is f 2, then (take refractive index of water = 34)a F 1 <f 2 c F 1 =f 2 d F 1 ≥34f 2 views

When a concave mirror is half dipped in water, the part of the mirror in air will have a different focal length than the part in water

This is because the refractive index of water is different from air, and light rays will bend differently when passing through the two mediums.step 2/82 The focal length of the part of the mirror in air can be calculated using the mirror formula Focal length of portion of mirror is the air is f_ (1) and length of mirror in water is f_ (2), then (take refractive. The focal length remains the same

As we know, the focal length of a concave mirror is determined by the formula F = r 2 (r is the radius of curvature) so, we can see that the focal length of a concave mirror is dependent only on the radius of curvature and has nothing to do with the external medium Therefore, the focal length of the concave mirror will remain the same in water also. The focal length of a mirror is function of its radius of curvature and is independent of the medium as it is based on the lows of reflection

So the focal length f, remains same in every medium.

The concave mirror is half dipped in water having focal length as f1 The concave mirror is half in air having focal length as f2 in the case of spherical mirrors (both concave and convex), when immersed in water there will be no change in the focal length of the mirrors This is due to the reason that the mirror focal length does not focus on the external medium it is kept in Concave mirrors page id figure 14.5.1 concave mirrors are used in a number of applications

They form upright, enlarged images, and are therefore useful in makeup application or shaving. Since the mirror is only half dipped in water, we can assume that the radius of curvature of the front surface is the same in air and water However, the radius of curvature of the back surface will be different in the two mediums Focal length of portion of mirror is the air is f 1 and focal length of mirror in water is f 2, then (take refractive index of water = 4 3)

The focus of a concave mirror is situated at a distance which is half of the radius of curvature of the mirror

When kept inside water, the laws of reflections are still valid, thus the focal length of the concave mirror does not change A convex lens is an optical lens, which is curved outwards from one side or both sides. Focal length of portion o.pw solutions 542k subscribers subscribe Therefore, the focal length of the mirror in air (f1) will be equal to the focal length of the mirror in water (f2)

So, the correct answer is f1 = f2. If a spherical mirror is dipped in water, its focal length remains unchanged A laser light is focused by a converging lens There will be a significant chromatic aberration

Focal length of portion of mirror is the air is f1 and focal length of mirror in water is f2, then (take refractive index of water = 4 3)

Focal length of portion of mirror is the air is f_ (1) and length of mirror in water is f_ (2) , then (take refractive index of water = 4/3 ) A concave mirror of focal length f in air is used in a medium of refractive index 2 What will be the focal length of the mirror in the medium A bird in air is diving vertically over a tank with speed 6cm/s

Base of tank is silvered A fish in the tank is rising upward along the same line with speed 4/,cm/s