Rays from the Sun converge at a point 15 , cm | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(B) The rays from the Sun are parallel to the principal axis and converge at the focus $(F)$ of the concave mirror. Therefore,the focal length $(f)$ o

Vedclass · Accepted Answer

$30 \, cm$ in front of the mirror

Vedclass · Answer

(B) The rays from the Sun are parallel to the principal axis and converge at the focus $(F)$ of the concave mirror. Therefore,the focal length $(f)$ of the mirror is $15 \, cm$.For a concave mirror,the image size is equal to the object size when the object is placed at the center of curvature $(C)$.The center of curvature is at a distance equal to twice the focal length $(R = 2f)$.Thus,$R = 2 	imes 15 \, cm = 30 \, cm$.Therefore,the object should be placed at $30 \, cm$ in front of the mirror.

Rays from the Sun converge at a point $15 \, cm$ in front of a concave mirror. Where should an object be placed so that the size of its image is equal to the size of the object?

Similar Questions

What is the effect on the wavelength of light when it travels from a rarer to a denser medium?

Give one use of a concave lens.

The refractive indices of medium $(1)$ and medium $(2)$ are $\eta_{1}$ and $\eta_{2}$ respectively,and the velocities of light in these media are $v_{1}$ and $v_{2}$ respectively. What is the formula to find the refractive index of medium $(2)$ with respect to medium $(1)$,denoted as $\eta_{21}$?

What is the absolute refractive index of water?

Vedclass Test Series

Exam Paper Generator

Online Exam Module