A device, which is used in our TV set, computer, radio set for storing the electric charge, is
(A) Resistor
(B) Inductor
(C) Conductor
(D) Capacitor
One horse power is equal to
(A) 790 watts
(B) 700 watts
(C) 720 watts
(D) 746 watts
If the velocity of a body is doubled its kinetic energy
(A) Gets doubled
(B) Becomes half
(C) Does not change
(D) Becomes 4 times
What would be the time period of a pendulum, when taken to the Moon?
(A) Decrease
(B) Increase
(C) Remain the same
(D) Becomes the zero
Which one among the following nontoxic gases helps in formation of enzymes which ripen fruit?
(A) Acetylene
(B) Ethane
(C) Methane
(D) Carbon dioxide
Elements of d-block are called–
(A) Transition element
(B) Transuranic elements
(C) Metals
(D) Metalloids
The ligthest metal is –
(A) Li
(B) Fe
(C) Cu
(D) Ag
How much carbon does steel contain?
(A) 0.1% – 1.5%
(B) 7 – 10%
(C) 10 – 50%
(D) Zero
Balloons are filled with
(A) Helium
(B) Argon
(C) Nitrogen
(D) Oxygen
The metal present in insulin is
(A) Copper
(B) Iron
(C) Zinc
(D) Magnesium
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