A convex lens of focal length 15 cm is placed in front of a plane mirror at a distance 25

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Previous Question: In the Arcitc region hemispherical houses called Igloos are made of ice. It is possible to maintain a temperature inside an Igloo as high as 20Âº C because option (A) Ice has high thermal conductivity (B) Ice has low thermal conductivity (C) Ice has high specific heat (D) Ice has higher density than water Next Question: A circular metallic ring of radius R has a small gap of width d. The coefficient of thermal expansion of the metal is d in appropriate units. If we increase the temperature of the ring by a amount T, then width of the gap (A) Will increases by an amount dT (B) Will not change (C) Will increases by an amojnt (2R d) T (D) Will decrease by an amount dT

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A convex lens of focal length 15 cm is placed in front of a plane mirror at a distance 25 cm from the mirror. Where
on the optical axis and from the centre of the lens should a small object be placed such that the final image
coincides with the object ?
(A) 15 cm and on the opposite side of the mirror
(B) 15 cm and between the mirror and the lens
(C) 7.5 cm and on the opposite side of the mirror
(D) 7.5 cm and between the mirror and the lens: Asked In KVPY MAN (11 years ago); Unsolved; Is this Puzzle helpful? (0) (3) Submit Your Solution

Dimple

India

Punjab

Time: 00:01:33

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Latest KVPY Aptitude Question SOLUTION: A convex lens of focal length 15 cm is placed in front of a plane mirror at a distance 25 cm from the mirror. Where on the optical axis and from the centre of the lens should a sma

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