ENTRANCE TEST – 2009 Multiple Questions and Answers.




6.Two waves of slightly different frequencies and travelling in the same direction lead to:
A. Stationary Waves
B. Interference
C. Beats
D. Both B and C

7.What is it that we use to calculate the speeds of distant stars and galaxies?
A. Doppler Effect
B. Interference
C. Beats
D. All of the above

8.In Young’s Double Slit Experiment, if the distance between slits and screen is doubled, then fringe spacing becomes:
A. Zero
B. One
C. Doubles of the original value
D. Half of the original value

9.The information received at the other end of a fibre can be inaccurate due to _______ of the light signal.
A. Longer wavelengths
B. Frequency
C. Intensity
D. Dispersion or Spreading

10.The pressure on the other sides and everywhere inside the vessel will be according to the:
A. Pascal’s Law
B. Hook’s Law
C. Boyle’s Law
D. Charles’s Law

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