List of top Physics Questions on Ray optics and optical instruments asked in GUJCET

If the refractive index of a prism with small prism angle is 1.6 and angle of minimum deviation is 2.4. Then prism angle of prism is ______.
Find the value of angle of emergence for a emergent ray from the prism in the figure given below (assume a ray entering a $60^\circ$ equilateral prism at a specific angle). (refractive index $\mu = \sqrt{3}$ and air $\mu = 1$).
Two thin convex lenses of focal length $f_1$ and $f_2$ are placed in contact with each other. The equivalent power of the lens combination is ______.
If in compound microscope objective with focal length 1.0 cm, eyepiece with focal length 2.0 cm, tube length of 20 cm and near point for an observer is 25 cm, the value of magnification will be ______.
An object is placed at 10 cm in front of a concave mirror of focal length 5 cm. The image formed will be ______.