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12 questions
The power of an earthquake is expressed on a scale called
(a) Seismic scale
(b) Iron scale
(c) Richter scale
(d) Larger scale
Which is not a natural phenomena?
(a) Earthquakes
(b) Cyclones
(c) Lightening
(d) Earthing
How many types of charges are gained by rubbing objects?
(a) 1
(b) 2
(c) 3
(d) 4
Lightning always follows
(a) Thunder
(b) Rain pour
(c) The easiest path
(d) A straight path
Amber is a
(a) Metal
(b) Rubber
(c) Resin
(d) Sugar
Which is the surest test of charge on a body?
(a) Insulation
(b) Repulsion
(c) Combustion
(d)Lightening
The process of transfer of charges from a charged object to the earth is called lightning.
True
False
Lightning rod is a device used to secure tall buildings from the effect of lightning.
True
False
The tremors produce waves on the surface of the earth.
True
False
The process of transferring charge from a charged body to earth is called
(a) Transferring
(b) charging
(c) Earthing
(d) Processing
During thunderstorm it is safer to
(a) Carry an open umbrella
(b) Take shelter under short trees
(c) Take shelter under tall trees
(d) Stand in open fields
To protect tall buildings from the damage of lightning, what can be done?
(a) Not to build tall buildings
(b) Install lightning conductors
(c) Install many TV antennas
(d) Have a roof top garden with tall trees
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