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Free tnpsc model questions Online Test - MeritNotes
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Online Exam
No. of Questions :10
Remaining Time :
1. Image formed by a convex spherical mirror is
(a)
Inverted
(b)
Enlarged
(c)
Real
(d)
Virtual
2. A satellite revolves around the earth in elliptic orbit, its speed is
(a)
Greatest when it is closest to the earth
(b)
Greatest when it is farthest from the earth
(c)
Same at all points on the orbit
(d)
None of the above
3. The inductance of coil is proportional to
(a)
The square of the number of turns in the coil
(b)
The resistance of the coil
(c)
The number of turns
(d)
Its length
4. Energy transferred to a person through gamma ray is measured in units of
(a)
Roentgen
(b)
Rutherfords
(c)
Cuaries
(d)
None of these
5. Which of the following is the correct device for the detection of thermal radiation?
(a)
Liquid in glass thermometer
(b)
Thermopile
(c)
Constant volume gas thermometer
(d)
None of the above
6. A substance, when inserted between the poles of a magnet, is pushed out, it is
(a)
Diamagnetic
(b)
Paramagnetic
(c)
Ferromagnetic
(d)
None of these
7. The time period of an artificial satellite in a circular orbit is independent of
(a)
Mass of the earth and radius of the earth
(b)
Radius of the orbit
(c)
The mass of the satellite
(d)
None of the above
8. The wire having a red plastic covering is a
(a)
Earth wire
(b)
Neutral wire
(c)
Live wire
(d)
None of these
9. For an ideal gas the interparticle interaction is
(a)
Attractive
(b)
Very large
(c)
Zero
(d)
Repulsive
10. Nucleon is a common name for
(a)
Neutron and proton
(b)
Neutron only
(c)
Electron and neutron
(d)
Proton and electron
