Free tnpsc model questions Online Test - MeritNotes

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1. The dark lines in the solar spectrum are called _____ lines.
 
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2. Variation in both electric and magnetic fields perpendicular to each other, produces _____ disturbance in space.
 
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3. The refractive index of the medium, for the polarising angle 60° is
 
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4. Wave theory was proposed by
 
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5. The fringes obtained in Newton’s rings experiment are
 
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6. Corpuscular theory of light was proposed by
 
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7. Energy is emitted and absorbed in multiple of discrete packets of energy called
 
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8. Which of the following phenomena could be explained only by Quantum theory?
 
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9. Electromagnetic waves are ____ in nature.
 
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10. Herapathite is a
 
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