Light - Study Mode
[#126] Consider the following statements. 1. The minimum size of a mirror required to see the full image of a person is half the height of the person. 2. A convex mirror always forms a virtual, erect and diminished image. 3. The laws of reflection are true for all reflecting surfaces. 4. The focal length of a plane mirror is zero. Which of the statement(s) given above is/are correct?
Correct Answer
(A) 1, 2 and 3
[#127] In which of the following mirror size of image formed is always equal to the size of object?
Correct Answer
(C) Plane mirror
[#128] Polaraids are used
Correct Answer
(D) All of the above
[#129] Which of the following does not have an optical lens?
Correct Answer
(D) stethoscope
[#130] Which of the following is located on the polished surface of the mirror?
Correct Answer
(C) pole