Which one of the following is nearly monochromatic light ?
A. light form fluorescent tube
B. light form neon lamp
C. light form sodium lamp
D. light form simple lamp
Physics Mcqs
McqsTestz.com has uploaded a comprehensive collection of Physics MCQs covering a wide range of topics including mechanics, thermodynamics, electromagnetism, optics, modern physics, waves, fluids, and more. Perfect for students preparing for exams such as matriculation, intermediate, competitive tests, Lecturer and university-level assessments.
A point source of light placed in a homogeneous medium gives rise to ___________________?
A. a cylindrical wave front
B. an elliptical wave front
C. a spherical wave front
D. a plane wave front
Longitudinal waves do not exhibit _____________________?
A. reflection
B. refraction
C. diffraction
D. polarization
Which one of the following properties of light does not change with the nature of the medium ?
A. velocity
B. wavelength
C. amplitude
D. frequency
In double slit experiment we observe _____________________?
A. interference fringes only
B. diffraction fringes only
C. both interference and diffraction fringes
D. polirized frringes
Optical active crystals rotates the __________________?
A. vibrating plane
B. polarization plane
C. diffraction plane
D. interference plane
Which one of the following bulbs has the least resistance ?
A. 100 watt
B. 200 watt
C. 300 watt
D. 60 watt
A fuse is placed in series with the circuit to protect against__________________?
A. high power
B. high voltage
C. high current
D. over heating
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