List of top Physics Questions on Optical Instruments asked in MHT CET

A concave mirror has a focal length of 20 cm. An object is placed 60 cm in front of the mirror. Find the image distance.
The clarity of the image formed on the retina of the eye depends on the ____
What is the magnifying power of a simple microscope of focal length 5 cm, if the image is formed at the distance of distinct vision?
A simple microscope is used to see the object first in blue light and then in red light. Due to the change from blue to red light, what is the effect on its magnifying power?
The magnifying power of a telescope is nine. When it is adjusted for parallel rays, the distance between the objective and eyepiece is $20 \,cm$. The focal length of objective and eyepiece are respectively
A ray of light passes through a glass slab with refractive index \( n = 1.5 \) at an angle of incidence of \( 30^\circ \). What is the angle of refraction inside the glass? (Use \( \sin 30^\circ = 0.5 \))