EASY
NTSE Stage II
IMPORTANT
Earn 100

Four graphs between 1u and1v given for spherical mirrors. Which one of them suitable represents a convex mirror, as per the new Cartesian sign convention?

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Important Questions on Light

EASY
NTSE Stage II
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SAT>Chapter 34 - Light>SAT 2020>Q 4
An object is placed at point A in front of a convex lens of focal length f. Its real, inverted, and magnified image is formed behind the lens. When the object is brought closer to the lens and placed at point B, virtual and erect images, but with the same magnification (in magnitude) as before are formed in front of the convex lens. Let F be the focus of the lens in front of it. Which of the following relations is correct?
EASY
NTSE Stage II
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SAT>Chapter 34 - Light>SAT 2020>Q 5
Nethra, who is a back-bencher, discovers one day in the class that she is unable to discern the details on the blackboard very well. When she visits an optician, he prescribes glasses for her. Which of the following statement(s) is/are false? 
I. She suffers from myopia where the far point is nearer than the blackboard.
II. A concave lens with a suitable power a help corrects her vision.
III. Her eye is defective and is forming images in front of the retina.
IV. A concave lens or a convex lens may be used to correct her vision. 
HARD
NTSE Stage II
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SAT>Chapter 34 - Light>SAT 2021>Q 6
A small pencil of length 10 cm is kept along the axis of a concave mirror of radius of curvature 40 cm with its tip touching the mirror. The size of pencil' s image would appears to be: