Physics Objective Questions For Competitive Exams
Physics Most Frequently Asked Questions
Physics Test Paper – 5
Learn Physics Objective Questions | IBPS | GROUPS 1 2 3 | RRB’s
Q) To preserve food for long duration, __________ is used
Sodium Chloride
Sodium Benzoate
Sodium Dizoate
Sodium Benzoate
Q) Which lens used to see minute particles of ears,nose and throat( ENT Doctor)
Convex lens
Microscope lens
Concave lens
Concave lens
Q) To detect fake notes, we use
X rays
UV rays
IR rays
UV rays
Q) Which rays are used to night vision
X rays
gamma rays
Infrared rays
Infrared rays
Q) Magnitude of diffraction of light is depends on
Size of the obstacle
Wave length of the light wave
Angle of beam of the light ray
All the above
All the above
Q) Sun glasses works on the principle
Polarization of light
Diffraction of light
Refraction of light
Polarization of light
Q) Bending of light rays around the smaller obstacles is called
Refraction
Di fraction
Reflection
Di fraction
Q) Units of focal power
cm
Dioptre
mtrs
Dioptre
Q) Radio waves are
Electromagnetic waves
Mechanical waves
Magnetic Waves
Electromagnetic waves
Q) ____________ energy laser rays are used to take 3D photograph
High
Low
Medium
Low
Q) Mirrors are based on the property of
Reflection of light
Refraction of light
Both
Reflection of light
Q) _________ is clotted on backside of mirror
Silver anomide
Silver bromide
Silver trimide
Silver bromide
Q) Mirrors used in vehicle( driver mirror)
Concave mirror
None of the above
Convex mirror
Concave mirror
Q) To kill bacteria in milk and water, which of the following rays are used
UV rays
Infrared rays
Gamma rays
UV rays
Q) The minimum distance to see the object clearly is Least distance distinct vision( LDDV)
25 cms
15 cms
20 cms
25 cms
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