Free tnpsc model questions Online Test - MeritNotes

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1. The sound waves travel
 
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2. In neutral equilibrium the centre of gravity is
 
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3. The part of electromagnetic waves that the human eye can detect is called
 
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  • (d) 
4. In a prism, the angle between the incident ray and the emergent ray is called
 
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  • (d) 
5. The gas which turns lime water milky is _____
 
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  • (d) 
6. Plimsoll lines are marked on the sides of the ____
 
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7. An essential plant nutrient is _____
 
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8. The geometric centre of the lens is called
 
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9. The frequency higher than 20,000 Hz is
 
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10. Normal temperature of human body is
 
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  • (d) 
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