UPSC Government Jobs Exams

A thin pin of iron can be made to
float on water (drinking) in a bowl.
This phenomenon is due to the
(a) surface tension of water
(b) viscous nature of water
(c) presence of ionic bonds in
water molecules
(d) presence of covalent bonds in
water molecules

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UPSC Other Question

A microwave oven uses wave with a
(a) large wavelength in the
invisible range
(b) small wavelength in the visible
range
(c) large wavelength in the visible
range
(d) small wavelength in the
invisible range
To start your loaded trolley bag, you
exert more force than when it is
moving. This is an example of
(a) first law of thermodynamics
(b) second law of thermodynamics
(c) Newton's second law of motion
(d) Newton's first law of motion