Question

1. Select the correct options.
Sa Ir a charged plastic straw is brought near an unchanged one, we will observe
i. repulsion
iv. neither attraction nor repulsion.
iii. both attraction and repulsion.
b) When two objects are rubbed against each other,
i, they will acquire negative charge.
ii. they will acquire positive charge.
iii. one will acquire negative charge while the other will acquire positive charge.
c) The positively charged particles inside the nucleus are called
iv. there will be no change.
neutrons.
ill. electrons.
iv. all of these.
i protons,
d) Lightning occurs when
1. it is sunny
il, there is electric discharge between two clouds.
ili, there is electric discharge between the cloud and the ground,
iv. boch (11) and (iii) occur.
e) Earthquakes can occur because of
1. the movement of tectonic plates.
il volcanic eruption
ili, mine blasts.
iv, all of these
O Focus of an earthquake is the
1. weakness in the earth's crust where an earthquake occurs.
ii. point on the surface of the earth directly above the point of origin of the earthquake.
ilipeint underground where the earthquake originates
iv. sudden movement of a part of the earth's surface.
The instrument used to measure the intensity of an earthquake is
il Richter scale ill. electroscope iv. all of these.
seismograph​

Answer 1

Answer:

Select the correct options.

Sa Ir a charged plastic straw is brought near an unchanged one, we will observe

i. repulsion