Light - Study Mode
[#351] An object is placed at the center of curvature of a concave mirror. Where will its reflection occur:
Correct Answer
(D) Center of curvature
[#352] Suppose a rocketship is proceeding from the Earth at a speed of $${frac{2}{{10}}^{th}}$$ the velocity of light. A light in the rocketship appears blue to the passengers on the ship. What colour would it appear to an observer on the Earth?
Correct Answer
(C) Yellow
[#353] Which of the following pairs of position of object - position of image - size of image, of image is not correct for concave mirror?
Correct Answer
(D) At infinity - At C - Highly diminished
[#354] Which is not a primary colour?
Correct Answer
(A) Black
[#355] The focusing in the eye is done by
Correct Answer
(A) Change in the convexity of the lens