Basic Qualification is PG Degree with B. Ed.,. Eligible Degrees will be announced with PGTRB Exam notification in TRB Official website.
Here Tamilmadal website provides Study materials, Quiz test for PGTRB Exam. Stay tuned with us…
PGTRB – PHYSICS QUIZ TEST QUESTION-01
Mica is used in an electric iron because it is a
(A) Good conductor of heat
(B) Bad conductor of heat
(C) Good conductor of electricity
(D) Bad conductor of electricity
Which one of the following pairs of rays is electromagnetic in nature?
(A) Alpha rays and beta rays
(B) X-rays and gamma rays
(C) Beta rays and gamma rays
(D) Cathode rays and X-rays
X-rays cannot pass through
The carbon filament is invented by
Which of the following device is fully duplex?
(C) Mobile phone
(D) Loud speaker
The blue colour of sky is due to the phenomenon of
If the doors of a refrigerator are left open for a few hours, the room temperature will
(C) Remain the same
(D) Decrease only in the area in the vicinity of the refrigerator
Where should an object be placed so that a real and inverted image of the same size is obtained using a convex lens?
(A) At infinity
(B) At twice the focal length
(C) At the focus
(D) Between the lens and its focus
The bases of cooking vessels are painted ___ in order to absorb more heat.
Photoelectric effect was discovered by
When light rays travel from a rarer medium to denser medium it is refracted
(A) In a different path
(B) Away from the normal
(C) Towards the normal
(D) In the same path
Which instrument measures the intensity of earthquake shocks?
(A) Positive rays
(B) Alpha rays
(C) Beta rays
(D) Gamma rays
Laser is a device for producing
(A) Stimulated radiation
(B) Scattered radiation
(C) Spontaneous radiation
(D) Dispersed radiation
Decibel is used to measure
(A) Sound intensity
(B) Light intensity
(C) Magnitude of earthquake
(D) None of the above
The scientist who first discovered that the earth revolves round the sun was
The molecular weight of water is
When X-rays are produced?
(A) heat is generated at the target
(B) the temperature of the target remains constant
(C) brilliant light is seen at the target
(D) heat is absorbed at the target
Temperature of the substance denotes ____ energy of its particles.
(A) Average kinetic
Ice floats on water because its density is ___ than that of water.
Who was the inventor of positron?
(D) J.J. Thomson
For which one of the following is capillarity not the reason?
(A) Rising of water from the roots of a plant to its foliage
(B) Spread a water drop on a cotton cloth
(C) Blotting of ink
(D) Rising of underground water
The normal value of acceleration due to gravity is
(A) 0.98 m/sec2
(B) 9.8 m/sec2
(C) 98 m/sec2
(D) 980 m/sec2
Entropy is the measurement of
(A) molecular configuration
(B) disorder parameter
(C) state of matter
(D) none of these
Space Applications Centre is located in
PGTRB – PHYSICS QUIZ TEST ANSWER-01
1.Bad conductor of electricity
2.X-rays and gamma rays
8.At twice the focal length
11.Towards the normal
18.heat is generated at the target
22.Rising of underground water