AI PMT Question Paper Physics 2005. Question Papers
PHYSICS 6th
1. The length of a simple pendulum is increased by 44%. What is the percentage increase
in its time period?
A. 20% B. 10% C. 35% D. none
2. When a wave is refracted into another medium, which of the following will change?
A. Velocity B. Amplitude
C. Both 1) and 2) D. None of the above
3. Which mirror should be used to obtain a parallel beam of light from a small lamp?
A. Concave mirror B. Plane mirror
C. Convex mirror D. None of the above
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