Consider the list of terms given below:
(i) Seismic Zone (iii) Mantle
(ii) Fault Zone (iv) Inner Core
The boundaries of the earth’s plate are known as
(a) (i) & (ii) (c) (iii) & (iv)
(b) (i) & (iii) (d) (ii), (iii) & (iv)
The earth’s plate responsible for causing earthquakes is
(a) the crust of the earth
(b) the mantle of the earth
(c) the inner core of the earth
(d) the outer core of the earth
Which of the following is not likely to cause Tsunami?
(a) A major nuclear explosion under sea
(b) Earthquake
(c) Volcanic eruption
(d) Lightning
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) they may attract or repel depending on the type of charges
they carry
(d) there will be no effect
The movement of the earth’s plates causes
(a) cyclones (c) earthquakes
(b) lightning (d) thunderstorms
Electric current is to be passed from one body to another. For
this purpose the two bodies must be joined by
(a) cotton thread (c) copper wire
(b) plastic string (d) rubber band
An electroscope is a device which is used to find if an object is
(a) charged (c) free of cracks
(b) magnetic (d) hot
Yor are provided with a magnetic compass, an empty match box,
a battery of two cells and connecting wires. Using these objects
how will you make a tester for testing an electric circuit? Draw
the necessary circuit diagram and explain.
An electric current is passed through a conducting solution. List any three possible observations.
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