Daily Free Quiz Competition|Online Gk & Current Affairs Quiz For Sarkari Naukri In English & Hindi

Q1 Free surface of a liquid behaves like a sheet and tends to contract to the smallest possible area due to the

Force of adhesion

Force of friction

Centrifugal force

Force of cohesion

Q2 Pencil “lead” is made up of

Graphite

Charcoal

Lead oxide

Lampblack

Q3 The Halley’s Comet will be visible again in the year

2066 A.D

2064 A.D

2062 A.D.

2060 A.D.

Q4 Convex lenses are used for the correction of

Long-Sightedness

Short- Sightedness

Cataract

None of these

Q5 Red light is used in traffic signals because

It has the longest wavelength

It is beautiful

It is visible to people even with bad eyesight

None of these

Q6 Summer solstice occurs in the Northern hemisphere

March 21

April 21

May 21

June 21

Q7 Which of the following reason is correct about an optical illusion in which atmospheric refraction by a layer of hot air distorts or inverts reflections of distant objects?

Due to unequal heating of different parts of the atmosphere

Due to magnetic disturbances in the atmosphere

Due to depletion of ozone layer in the atmosphere

Due to equal heating of different parts of the atmosphere

Q8 The amount of time light takes to reach the earth’s surface from the sun is:

2 minutes

4 minutes

8 minutes

16 minutes

Q9 Why the star appears to move from east to west?

Because all stars move from east to west

Because the earth rotates from west to east

Because the earth rotates from east to west

Because the background of the stars moves from west to east

Q10 Food cans are coated with tin and not zinc because -

Zinc is costlier than tin

Zinc has a higher melting point than tin

Zinc is more reactive than tin

Zinc is less reactive than tin

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