Light - Study Mode

[#431] In driving a car which type of mirror would you like to use for observing traffic at your back?
Correct Answer

(C) Convex mirror

[#432] Match the following lists. List-I List-II a. Reflection 1. Twinkling effect of stars b. Refraction 2. Used for reducing glare c. Interference 3. Light added to light produces darkness d. Polarisation 4. Change in path of light without change in medium
Correct Answer

(C) a-4, b-1, c-3, d-2

[#433] The image formed on Retina is
Correct Answer

(C) Smaller than object but inverted

[#434] Hypermetropia or long-sightedness can be corrected by using
Correct Answer

(D) convex lenses

[#435] For reproducing sound, a CD (Compact Disc) audio player uses a
Correct Answer

(C) Laser beam