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Jado lagna thalyo yar! Warm up garna mero tarf baat euta sano prayash!

Q. When a cylinder is heated, its length increases by 2%, the area of its base will increase by
a. 0.5%
b. 1%
c. 2%
d. 4%

with reason, plzzz

||dayaa||

Q. A man projects a coin upwards from the gate of a uniformly moving train. The path of coin for the man will be
a. Parabolic
b. Inclined st line
c. Vertical st line
d. Horizontal st line

Q. A sphere of solid material of specific gravity 8 has concentric spherical cavity. If the sphere just sinks in water, what is the ratio of the radii of cavity to that of sphere?

Daya