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Free tnpsc model questions Online Test - MeritNotes

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No. of Questions :10

Remaining Time :

1. In a discharge tube with perforated cathode rays and canal rays travel

(a) In circular paths
(b) At right angles to each other
(c) In opposite direction
(d) In same direction

2. The intensity of X-rays depends upon

(a) Number of electrons striking the target
(b) Thickness of the target
(c) The target material used
(d) None of the above

3. Boiling point of impure substance is usually

(a)
Greater than that of pure substance
(b)
Less than that of pure substance
(c)
Equal to that of pure substance
(d)
None of the above

4. Reaction used in controlling acidity of stomach is

(a)
Dehydration
(b)
Reduction
(c)
Oxidation
(d)
Neutralization

5. A linear source of light gives rise to ______ wavefront.

(a) Plane
(b) Semicircular
(c) Spherical
(d) Cylindrical

6. The energy produced at a cheaper cost is

(a)
Wind energy
(b)
Hydro electric energy
(c)
Nuclear energy
(d)
Solar energy

7. The period of a vibrating body of frequency 100 Hz is

(a)
10 second
(b)
0.01 second
(c)
0.1 second
(d)
100 second

8. Major share of electricity generated in India is through _____

(a)
Gas turbine power plants
(b)
Thermal power plants
(c)
Nuclear power plants
(d)
Hydro-electric plants

9. The circular metal plates are held together by

(a) Glass rods
(b) Glass or ebonite rods
(c) Brass rods
(d) Ebonite rods

10. Comparison of Fraunhofer lines with the absorption spectra of known element reveals

(a) The rarer earth elements
(b) The elements present in the sun's atmosphere
(c) The elements present in the moon's atmosphere
(d) The elements present on the earth

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