Geometrical Optics · Physics · AIIMS

If focal length of objective and eye lenses are $$10 \mathrm{~cm}$$ and $$10 \mathrm{~mm}$$ respectively and tube length is $$11 \mathrm{~cm}$$ then a...

Calculate the focal length of given lens if the magnification is $$-$$0 5. ...

Assertion A convex mirror always make a virtual image. Reason The ray always diverge after reflection from the convex mirror.

A lens of refractive index $$\mu$$ is put in a liquid of refractive index $$\mu^{\prime}$$. If the focal length of lens in air is $$f$$, then its foca...

In the given figure, the angle of reflection is ...

A thin prism $$P_1$$ of angle $$4^{\circ}$$ and refractive index 1.54 is combined with another prism $$P_2$$ of refractive index 1.72 produce dispersi...

A simple telescope, consisting of an objective of focal length $$60 \mathrm{~cm}$$ and a single eye lens of focal length $$5 \mathrm{~cm}$$ is focused...

Assertion : The mirror used in search lights are parabolic and not concave spherical. Reason : In concave spherical mirror, the image formed is always...

Assertion : Angle of deviation depends on the angle of prism. Reason : For thin prism $$\delta=(\mu-1) A$$ Where $$\delta=$$ angle of deviation, $$\m...