Physics Practice MCQ Page 29

Multiple Choice questions for Physics in the sets of 10 each on one page with questions and answers. All sets are useful in the preparation of subject tests for employment or admission.
Question: 3516   The specific heats of solids at low temperature can be determined
  1. by the method of mixture
  2. by Nernest's Vacuum calorimeter
  3. by Bomb's calorimeter
  4. by Bunsen's ice calorimeter
Question: 3517   Monochromatic green light has a wavelength of 520 nm. The wavelength of this light inside glass of refractive index 1.5 is approximately
  1. 300 m
  2. 340 m
  3. 520 m
  4. 780 m
Question: 3518   Young's double slit experiment solidly supported
  1. Newton's corpuscular theory of light
  2. Huygen's wave theory
  3. Quantum theory
  4. all are true
Question: 3519   A meniscus lens has convex surface of curvature 20 cm and a concave surface of curvature -30 cm. If the lens is constructed from glass (n = 1.5), the focal length will be
  1. -4 cm
  2. +4 cm
  3. -120 cm
  4. +120 cm
Question: 3520   The cardinal points in an optical lens are
  1. 7
  2. 2
  3. 6
  4. 4
Question: 3521   A diverging meniscus lens has a focal length of -20 cm. If the lens is held 10 cm from the object, the magnification is
  1. -0.667
  2. +0.667
  3. -2
  4. +2
Question: 3523   To demonstrate the phenomenon of interference we require
  1. two sources which emit radiation of the same frequency
  2. two sources which emit radiation of same frequency
  3. Two sources which emit radiation of the same frequency and have a definite phase relationship
  4. Two sources which emit radiations of different wavelength
Question: 3524   the cause of Raman's effect is
  1. coherent scattering
  2. incoherent scattering
  3. no scattering
  4. refraction
Question: 3525   Longitudinal chromatic aberration of a lens is directly dependent upon
  1. resolving power of the lens
  2. dispersive power of the lens
  3. magnifying power of the lens
  4. none of these
Question: 3526   the cause of Raman's effect is
  1. coherent scattering
  2. incoherent scattering
  3. no scattering
  4. refraction
Question: 3528   Three capacitors 2.0, 3.0 and 6.0 microfarads are connected in series to a 10 volt source. The charge on the middle is
  1. 5 micro coulomb
  2. 10 micro coulomb
  3. 11 micro coulomb
  4. 15 micro coulomb
Question: 3529   Light is polarized to the maximum, when a light is incident on a glass surface at an angle of
  1. 57°
  2. 67°
  3. 47°
  4. 37°

Answers to the questions of Physics on this page

Following list gives the correct choice for the answer of the Physics mcqs.
3516 . B       3517 . B       3518 . A       3519 . D       3520 . D       3521 . B       3523 . C       3524 . A       3525 . B       3526 . A       3528 . B       3529 . A      

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