A plano convex lens has radius of curvature 10 cm

Asked by admin @ 07/08/2021 in Physics viewed by 338 People

A plano convex lens of refractive index 1.5 has a radius of curvature 10 cm. It is silvered on its plane surface. Find the focal length after silvering

Answered by admin @ 07/08/2021

Answer:

focal length will be also 10 cm

Explanation:

use to formulas one is lens makers formula and other is silvered lens formula

An object is placed 10 cm from a convex lens

Asked by maham237 @ 20/02/2021 in Physics viewed by 346 persons

An object is placed 10 cm from a convex lens of focal length 20 cm. what is the lateral magnification of the object?

A convex lens has 20 cm focal length in air

Asked by admin @ 04/08/2021 in Physics viewed by 286 persons

A convex lens has 20 cm focal length in air. What is its focal length in water? (Refractive index of air-water = 1.33, refractive index of air-glass = 1.5).

Diameter of a plano convex lens is 6 cm

Asked by admin @ 11/08/2021 in Physics viewed by 266 persons

Diameter of a plano - convex lens is 6cm and thickness at the centre is 3mm. If speed of light in material of lens is 2×108m/s, the focal length of …

A hollow metal sphere of radius 10 cm is charged

Asked by admin @ 03/08/2021 in Science viewed by 312 persons

A hollow metallic sphere of radius 10 cm is charged such that potential of its surface is 80 V.

Find the volume of a sphere of radius 11.2 cm

Asked by admin @ 04/08/2021 in Math viewed by 292 persons

Find the volume of a sphere of radius 11.2 CM

Find the circumference of a circle with radius 7 cm

Asked by admin @ 04/08/2021 in Math viewed by 281 persons

Find the circumference of a circle whose radius is 7 cm

Find the volume of a sphere of radius 10.5 cm

Asked by admin @ 03/08/2021 in Math viewed by 318 persons

Find the volume of a sphere of radius 10.5 CM

A particle travels in a circle of radius 20 cm

Asked by admin @ 03/08/2021 in Physics viewed by 321 persons

A particle travels in a circle of radius 20 cm at a speed which is increasing uniformly. If the speed changes from. 5m/s to 6 m/s in 2 sec , …

Find the volume of sphere whose radius is 14 cm

Asked by admin @ 03/08/2021 in Physics viewed by 337 persons

What is the volume of sphere whose radius is 14 cm

Focal length of convex lens is maximum for which colour

Asked by admin @ 06/08/2021 in Physics viewed by 293 persons

For convex lens focal length will be maximum for which colour

A convex lens of focal length 25 cm

Asked by admin @ 31/08/2021 in Physics viewed by 320 persons

A convex lens of focal length 25cm and a concave lens of focal length 10cm are placed in close contact with each other. Calculate the lens power of this combination.

The diameter of aperture of a plano convex lens

Asked by admin @ 16/08/2021 in Physics viewed by 250 persons

Diameter of a plano - convex lens is 6cm and thickness at the centre is 3mm. If speed of light in material of lens is 2×108m/s, the focal length of …

Power of convex lens of focal length 50 cm is

Asked by admin @ 06/08/2021 in Physics viewed by 357 persons

The focal length of a convex lens is 50 cm. what is its power?

Find the radius of curvature of a parabola y2 4ax

Asked by admin @ 03/08/2021 in Math viewed by 1330 persons

Find the radius of curvature of a parabola y2=4ax at the origin

Two plano convex lens each of focal length 10cm

Asked by admin @ 23/08/2021 in Physics viewed by 329 persons

Two plano convex lenses each of focal length 10cm and refractive index 3/2 are placed as shown in the future. in the space left, water (r.i=4/3) is filled. the whole …