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

Two identical thin plano-convex glass lenses (refractive index 1.5) each having radius of curvature of 20 cm are placed with their convex surfaces in contact at the centre. The intervening space is filled with oil of refractive index 1.7. The focal length of the combination is
Find the position of final image from first lens.If the focal length of each lens is 10 cm.
A thin glass (refractive index 1.5) lens has optical power of -5 D in air. Its optical power in a liquid medium with refractive index 1.6 will be
A convex lens of focal length 20 cm made of glass of refractive index 1.5 is immersed in water having refractive index 1.33. The change in the focal length of lens is
A ray is incident on a plane surface. If $\hat{i} + \hat{j} - \hat{k}$ represents a vector along the direction of incident ray.$\hat{i} + \hat{j} $ is a vector along normal on incident point in the plane of incident and reflected ray, then vector along the direction of reflected ray is
An isosceles prism of angle 120? has a refractive index of 1.44. Two parallel monochromatic rays enter the prism parallel to each other in air as shown. The rays emerging from the opposite faces
A ray of light is incident at an angle of 60? on one face of a prism of angle 30?. The emergent ray of light makes an angle of 30? with incident ray. The angle made by emergent ray with second face of prism be
A plane mirror produces a magnification of
A red flower kept in green light will appear
The frequency of a light wave in a material is $2 \times 10^{14} Hz$ and wavelength is $5000\, ?$. The refractive index of material will be
A symmetric double convex lens is cut in two equal parts by a plane perpendicular to the principal axis. If the power of the original lens is $4\,D$ , the power of a cut lens will be
In refraction, light waves are bent on passing from one medium to the second medium, because, in the second medium
If the focal length of a lens of a camera is $5 f$ and that of another is $2.5\, f$, what is the time of exposure for the second, if for the first one is $\frac{1}{200}$ s? (where $f$ is focal length/unit aperture)
A short linear object of length b lies along the axis of a concave mirror of focal length $ f $ at a distance $ u $ from the pole of the mirror, what is the size of image?
The radius of the convex surface of planoconvex lens is $20\,cm$ and the refractive index of the material of the lens is $1.5$. The focal length is:
Minimum deviation is observed with a prism having angle of prism A, angle of deviation $ \delta , $ angle of incident $ i $ and angle of emergence e, then we have generally:
Focal length of a convex lens will be maximum for:
A point source of light is placed 4 m below the surface of water of refractive index is 5/3. The minimum diameter of a disc which should be placed over the source on the surface of water to cut-off all light coming out of water is:
A luminous object is placed at a distance of 30 cm from the convex lens of focal length 20 cm. On the other side of the lens, at what distance from the lens a convex mirror of radius of curvature 10 cm be placed in order to have an upright image of the object coincident with it;
A person cannot see objects clearly beyond 2.0 m. The power of lens required to correct his vision will be :
The resolving power of a telescope increases when:
Convex lens of power 4D and a concave lens of power 3D are placed in contact. What is the equivalent power of the combination?
Two coherent waves of intensities 7 and $ 4I $ are superimposed on each other. The intensity at the constructive interference will be:
When the light passes from glass to air, there is no change in its: