Some natural phenomenon

The like charges:

• (a) repel each other

• (b) attract each other

• (c) no interaction takes place

• (d) all of the above

The shaking of earth is called:

• (a) tsunami

• (b) volcano

• (c) earthquake

• (d) all of the above

Lightning occurs due to:

• (a) electric discharge

• (b) rain

• (c) wind

• (d) Lord Varun’s anger

When we remove polyester or woollen clothes in dark, we can see a spark and hear a crackling sound. Which of the following is responsible for it?

• (a) Static electricity

• (b) Current electricity

• (c) Positive charge

• (d) Negative charge

Two charged objects are brought close to each other. Choose the most appropriate statement from the following options:

• (a) They may attract

• (b) They may repel

• (c) There will be no effect

• (d) They may attract or repel depending on the type of charges they carry

Building can be protected from lightning by using

• Lightning rod on the top of building

• (b) Wooden logs at the top of building

• (c) Lightning rod at the levels of building

• (d) All of the above

Lightning occurred when two charges meet they are

• (a) both positive

• (b) both negative

• (c) one positive and other negative

• (d) none of the above

Electroscope is used to

• (a) Check presence of charge

• (b) Presence of magnetism

• (c) Measure the temperature

• (d) Measure the conductivity

The magnitude of an earthquake is measured in

• (a) Kelvin scale

• (b) Celsius scale

• (c) Decibel scale

• (d) Richter scale

Major earthquakes are less likely to occur in

• (a) North-East India

• (b) Rajasthan

• (c) Rann of Kutch

• (d) Odisha