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Physics Test 29...

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  • Question 1
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    In Young's double-slit experiment, 12 fringes are obtained on a certain segment of the screen when light of wavelength 600 nm is used. If the wavelength of light is changed to 400 nm, the number of fringes observed on the same segment of the screen is given by

  • Question 2
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    Samples A and B are initially kept in the same state. They expand through adiabatic and isothermal processes respectively to the same final volume. If PA is final pressure of sample A and PB that of sample B. Then

  • Question 3
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    In Young's double slit arrangement, water is filled in the space between screen and slits. Then

  • Question 4
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    In an interference experiment, the ratio of amplitudes of coherent waves is  The ratio of maximum and minimum intensities of fringes will be

  • Question 5
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    A uniform rod of length L, cross-sectional area A and Young’s modulus Y is suspended vertically from a rigid support. A collar of mass M is attached at the lower end. A block of mass m is dropped from height h above the collar and sticks to it. The maximum elongation produced in the rod is found to be ΔL. Neglecting energy loss, find the value of h in terms of the given parameters and ΔL.

  • Question 6
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    According to Kepler's Second Law of Planetary Motion, which of the following statements is true regarding a planet's motion around the Sun?

  • Question 7
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    When a dipole is aligned parallel to a uniform electric field, which of the following is true?

  • Question 8
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    In a parallel combination of capacitors, which of the following is the same for all capacitors?

  • Question 9
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    What is the critical angle for diamond with respect to air if its refractive index is 2.42?

  • Question 10
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