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When an air bubble at the bottom of a lake rises to the top, it will
When a mirror is rotated by an angle of θ, the reflected ray will rotate by
The variation of displacement (d) with time (t) in the case of a particle falling freely under gravity from rest is correctly represented by which of
The correct answer is option (b): the same amount of work with lesser force.. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
This question was asked in UPSC CSE Prelims 1996, GS Paper 1, as Question 124. It falls under Science & Technology > Physics.
This question is rated "easy". It tests basic recall and most well-prepared aspirants should answer it correctly.
UPSC has asked 104 questions from Physics (under Science & Technology) across multiple years. Visit the topic page to see the full list and year-wise trends.