1. When an earth satellite
dissipates energy. It moves to a
(a)
Lower orbit and its kinetic energy increases
(b)
Higher orbit and its kinetic energy decreases
(c)
Lower orbit and its kinetic energy decreases
(d)
Higher orbit
and its kinetic energy increases
2.
A fan produces a feeling of comfort during hot weather, because
(a)
Our body radiates more heat in air
(b)
Fan supplied cool air
(c)
Conductivity of air increases
(d)
Our perspiration evaporates rapidly
3. The chance of vehicle to overturn whole
negotiating a circular path depends on
(a)
Speed of the vehicle only
(b)
Radius of the circular path only
(c)
Speed and height of the vehicle and radius of
the circular path
(d)
Height of the vehicle only
4.
Which one among the following statements about thermal conductivity is
correct?
(a)
Steel>
wood > water
(b)
Steel > water
> wood
(c)
Water > steel > wood
(d)
Water
> wood > steel
5. The specific resistance of conducting wire
depends upon
(a)
Length of the wire, area of cross – section of
the and material of the wire
(b)
Length of the wire and area of cross-section of
the wire but not on the material of the wire
(c)
Material of the wire only but neither on the
length of the wire nor on the area of cross- section of the wire
(d)
Length of the wire only but neither on the area
of cross –section of the wire nor on the material of the wire
6.
Consider the following statements
1.
Atom bomb is bases upon the principle of
uncontrolled nuclear fission.
2.
Hydrogen bomb is based upon the principle of
uncontrolled nuclear fission.
3.
Nuclear reactor is based upon the principle of
controlled nuclear fission.
Which of the statements given above is/ are correct?
(a)
Only 3
(b)
1 and 2
(c)
2 and 3
(d)
1,2 and 3
7.
Consider the following statements
The
fog during winter season is more on the day when
1.
Sky is clear.
2.
Sky is cloudy
3.
Wind is blowing.
Which of the statements given above is/ are
correct?
(a)
Only 1
(b)
1 and 3
(c)
2 and 3
(d)
Only 2
8.
Lightning is formed when
(a)
Similar charges of electricity rush towards each
other and then get repelled
(b)
Clouds strike against impurities in air and the
friction burns up these impurities
(c)
Strong opposite charges in different clouds
break down the resistance offered by the intervening air
(d)
Water vapour produces electricity in the clouds
9.
Consider the following statements.
1.
Indira Gandhi Centre for Atomic Research uses
fast reactor technology.
2.
Atomic Minerals Directorate for Research and Exploration
is engaged in heavy water production.
3.
Indian Rare Earths Limited is engaged in the
manufacture Zircon for India’s nuclear programme beside other rare earth
products.
Which of the statements given above are
correct?
(a)
1 , 2 and 3
(b)
1 and 2
(c)
1 and 3
(d)
2
and 3
10. The Earth’s magnetic field is
approximately
(a)
1 T
(b)
2 G
(c)
10⁴ T
(d)
1 G
Answer:
1.
B
2.
D
3.
C
4.
D
5.
C
6.
A
7.
A
8.
C
9.
C
10.
C
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