What Is The Focal Length Of A Convex Mirror Whose Radius Of Curvature Is 16 Cm? - Fixanswer

The answer is

0.5 m

. Explanation: Focal length is the distance between the center of a lens and a convex or concave mirror. Focal length converges or diverges the light.

How can you find the focal length of a convex mirror?

You can measure the radius of curvature (R) of the mirror by measuring the distance between convex mirror and the screen placed behind the mirror. You can calculate the focal length of the mirror using the equation

f = R/2

.

Which of the following is the focal length of a convex mirror whose radius of curvature is 30cm *?

Hence, the required focal length is

15 cm

.

Is the focal length of a convex mirror is 25 cm What is its radius of curvature?

If f =25 cm, radius of curvature (r) =

2f = 50 cm

.

What will be the focal length of a convex mirror if its radius of curvature is 18 cm?

36cm

‘ is the correct answer.

Where is the focal point of a convex mirror whose radius of curvature is R?

f ≈ r	2

What is the focal length of the plane mirror?

However the focal length of a plane mirror is

infinity

; its optical power is zero.

What is the focal length of a curve mirror is it has a radius of curvature is 40 cm?

ANSWER: The focal length of convex mirror with radius of curvature as 40 cm is

20 cm

.

What is the focal length of convex lens?

The focal length of convex lens is

the distance between the centre of a lens and its focus

. The focal length of an optical instrument/object is a measure of how strongly/sharply the system converges/diverges light and it is just the inverse of the optical power of the system.

How do you find the focal length?

The focal length of a double convex lens is given by the formula

(1/v) + (1/u) = (1/f)

, where u is the distance between the object and the lens, v is the distance between the image and the lens.

What is the focal length of a convex mirror whose radius of curvature is 24 cm?

Complete step by step answer:

The focal length of a spherical concave mirror is given as $f=dfrac{R}{2}$, where R is the radius of curvature of the mirror. It is given that $

R

=24cm$. This means that $f=dfrac{24}{2}=12cm$.

What is the focal length of a convex mirror positive or negative?

The focal length and power of a convex mirror are

negative

, since it is a diverging mirror. Figure 3.

What is the formula of convex mirror?

1/f= 1/u + 1/v

. This equation is referred to as the mirror formula. The formula holds for both concave and convex mirrors.

How do you find the focal length of a convex mirror using a convex lens?

The focal length of a convex mirror can be determined by

introducing a convex lens between the object and the convex mirror

. An image can be obtained with the help of a convex lens side by side with the object when the convex mirror reflects the rays along the same path, i.e., when the rays fall normally on the mirror.

What is the principal focus of convex mirror?

The light rays that converge on the principal axis after reflecting from a convex mirror and are parallel to the principal axis

are called the principal focus of a convex mirror.

How do you find the radius of a mirror?

If you find the focal length of the convex mirror formed by the cornea

, then you know its radius of curvature (it’s twice the focal length).

What is the focal length of a convex mirror whose radius of curvature is 28 cm?

the focal length of the convex mirror is equal to

half of the radius of curvature

of that mirror.

What will be the focal length of a convex mirror with radius of curvature 50 cm?

From R=2f=2×50=

100cm

.

What is the radius of curvature of the mirror its focal length is 20 cm?

The radius of curvature of a spherical mirror is 20 cm. What is its focal length? Therefore, the focal length of the spherical mirror is

10 cm

.

What is the distance between P and F?

Focus length. The distance between the focus, F and the pole, P is

the focal length of the spherical mirror

.

What is the radius of curvature of the mirror having focal length cm?

The relation between focal length and radius of curvature. Here, radius of curvature =

60 Cm

.

What is the focal length of the mirror in No 26?

Here in this case the focal length is ,

f = 17 -6 =11 unit

.

What is focal length of concave mirror having radius of curvature 16m?

Answer:

32cm

is the answer.

What is the focal length for concave mirror?

Focal Length –

The distance between the pole P of the concave mirror and the focus F

is the focal length of the concave mirror. Thus, the focal length of a concave mirror can be estimated by obtaining a ‘Real image’ of a distant object at its focus, as shown in the figure.

What is the relation between focal length and radius of curvature of a convex mirror?

The relation between focal length (f) and radius of curvature (R) of a spherical mirror is that the focal length is equal to half of the radius of curvature i.e.

f=R2

.

What is the radius of curvature for a plane mirror?

the radius of curvature of a plane mirror is

infinity

.

What is meant by principal focus of a convex mirror and focal length of convex mirror?

(i) Principal focus of a convex mirror: It is a point on its principal axis from which a beam of light rays, initially parallel to the principal axis, appears to diverge after being reflected from the convex mirror. (ii) Focal length of a convex mirror: It is

the distance from the pole to its principal focus

.

What is focal length focal point and center of curvature?

The vertex is the geometric center of the mirror.

Midway between the vertex and the center of curvature is

a point known as the focal point; the focal point is denoted by the letter F in the diagram below. The distance from the vertex to the center of curvature is known as the radius of curvature (represented by R).

What is the radius and focal length of plane mirror?

The focal length of a plane mirror

is infinity

. A plane mirror can be considered as a spherical mirror of infinite radius of curvature. Focal length is half of the radius of curvature and hence it is infinity.

How do you find the focal length of a mirror?

By obtaining the Real image of a distant object at its focus, the focal length of the concave mirror can be estimated as shown in the diagram. The focal length of the convex mirror is positive, whereas that of the concave mirror is negative. The same can also be proved by using the mirror formula:

(1/f = 1/v +1/u)

.

How do you find the focal length from the radius of curvature?

Focal Length of a Curved Mirror

A mirror with a curvature radius R of the surface has a

focal length f = R / 2

, if the beam axis is normal to the mirror surface.

What is the focal length of a convex lens of focal length 30cm?

Hence, the focal length of the combination of lenses is

60 cm

.

What is the focal length of concave and convex mirror?

Focal length of a concave and convex mirror is

half the radius of curvature of the mirror

.

What is the focal length of a curve mirror is it has a radius of curvature is 40 cm a 20 cm B 35 cm C 25 cm d 40 cm?

Answer: The focal length of the given spherical mirror is

20cm

.

What is the focal length of a concave mirror whose radius is 40 cm answer in CM?

The correct answer is

20 cm

. Given that, Radius of curvature= 40 cm.

What is radius of curvature in physics?

The radius of curvature of a spherical mirror is

the radius of the circle of which the spherical mirror is a part

. It can also be defined as the distance between the centre of curvature of the mirror and the pole of the mirror on the principal axis. The radius of curvature is also a measure of how curved the mirror is.

What is the focal length of convex lens Class 10?

10 cm

is the focal length of the convex lens.