NEET Physics Refraction of Light at Plane Surface and Total Internal Reflection MCQs Set A

Question:  When light is refracted into a medium a) its wavelength increases but frequency remains unchanged b) its wavelength decreases but frequency remains unchanged c) its wavelength and frequency both decrease d) its wavelength and frequency both increase…

NEET Physics Refraction at Curved Surface Lenses and Power of Lens MCQs Set A

Question:  A convex lens is immersed in a liquid of refractive index greater than that of glass. It will behave as a a) divergent lens b) homogeneous liquid c) convergent lens d) plane glass Answer: divergent lens   Question:  A point…

NEET Physics Ray Optics and Optical Instruments MCQs Set A

Question: a) 7.5° b) 5° c) 15° d) 2.5° Answer: 7.5°   Question: A short pulse of white light is incident from air to a glass slab at normal incidence. After travelling through the slab, the first colour to emerge is a) red b) violet c) green d) blue…

NEET Physics Prism and Dispersion of Light MCQs Set A

Question: a) b) c) d) None of these Answer:   Question: The angular dispersion produced by a prism a) increases if the average refractive index increases b) increases if the average refractive index decreases c) remains constant whether the…

NEET Physics Plane Mirror Spherical Mirror and Reflection of Light MCQs Set A

Question:  The light reflected by a plane mirror may form a real image a) if the rays incident on the mirror are converging b) under no circumstances c) if the object is placed very close to the mirror d) if the rays incident on the mirror are diverging Answer…