For a fixed mass of gas at constant temperature, if we decrease volume, the pressure will:
A. also decrease
B. increase
C. remains constant
D. none of these
Deficiency of Vitamin-A results in:
A. night blindness
B. rickets
C. scurvy
D. hair fall
A Longsightedness can be corrected by using the _____ lens.
A. Concave
B. Convex
C. Diverging
D. None of these
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