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Critical angle of light passing from gla...

Critical angle of light passing from glass to air is minimum for

A

Red

B

Green

C

Yellow

D

Violet

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SARAS PUBLICATION-MODEL QUESTION PAPER -3-EXERCISE
  1. Compute the current in the wire if a charge of 120 C is flowing throu...

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  2. A current carrying loop lying in a magnetic field behaves like a ….

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  3. The speed of electromagnetic waves in a vacuum is given by…..

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  4. The amplitude of the magnetic field part of a harmonic electromagnetic...

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  5. Critical angle of light passing from glass to air is minimum for

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  6. The focal length of the lens is ….

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  7. An electron of mass m and charge q is accelerated from rest in a unifo...

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  8. A radio transmitter operates at a frequency 1000 KHz and a power of 66...

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  9. Which of the following atoms has the lowest ionisation potential?

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  10. The ground state energy of hydrogen atom is 13.6 eV. The energy needed...

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  11. The three lattice constants of a crystal are mutually perpendicular to...

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  12. In p-n-p transistor circuit, the collector current is 10 mA. If 90 % o...

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  13. |vecA xx vecB|^2 + |vecA . vecB|^2 is equal to

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  14. The displacement of a particle along the x-axis is given by x = asin^2...

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  15. Between which two points, as indicated in positron-time graph of a par...

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  16. The time period of artificial satellite in a circular orbit of radius ...

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  17. The work function of a metal is 1.5 eV, light of wavelength 6600 overs...

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  18. The viscous force on a small sphere of radius R. moving in a fluid is ...

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  19. In Boolean algebra, which of the following is not equal to zero:

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  20. Focal length of a glass lens in air is 2 cm. Its focal length when imm...

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