Question

exercise 8 choose the correct options from each of the following.
1 the device used to detect electric charges is called.
a) electroscope
b) volt metre
c) electric cell
d) ammeter
2 which of the following is the most appropriate for the phenomena of lightning.
a) lightning is caused due to an electric discharge between the clouds only
b) lightning is caused due to an electric discharge between the clouds and the earth only
c) lightning is caused due to an electric discharge between the clouds and between clouds and the earth
d) lightning is not caused by electric discharge between clouds
3 choose the correct precaution to be taken during an earthquake.
a) do not come out from buildings if you are inside ham
b) rush to an open place if you are inside a building
c) be under tree if you are inside
d) do not stand in the corner of a room
4 an epic centre is
a) the point of origin of an earthquake
b) the point on the earth surface directly above the origin of the earthquake
c) the point directly below the origin of the earthquake
d) none of this
5 the waves transmitted during an earthquake are called.
a ) seismic waves
b ) Earth waves
c) plate waves
d) all of this
6 ) the device used to measure the intensity of an earthquake is known as (seismology/seismograph)
7 the point of origin of an earthquake is called (focus or epicenter)
8 the fragment pieces of the outermost layer of the earth are called which plates (tetnomic or seismic)
the magnitude of an earthquake is measured on the which scale ( Richter or plank)
9 a material that allows flow of charges through it is a (conductor or insulator)
10 the waves generated in an earthquake of called which (seismic or cosmic).
State weather true or false
1 unlike charges repel each other.
2 two glass rod separately rubbed with a piece of cloth attract each other
3 it is not possible to predict the occurrence of an earthquake.
4 it is safe to be under a tall tree during lightning
5 staying inside a house or a building is save at the time of lightning.
pls answer fast as possible
this is important​

Answer 1

Answer:

1 electroscope

2 C

3 B

4 B

5 A

6 2nd option

7 focus

8

Richter

9 conductor

10 seismic

1 false

2 false

3 false

4 false

5 true