Quiz on Physics Set 76

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Quiz on Physics Set 76 :

Question 1 : 

To produce sound it is necessary that
A. The vibrations of source are not necessary
B. The source should execute transverse vibrations
C. The source should execute longitudinal vibrations
D. The source may execute any type of vibrations

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Correct Ans: Option D

Question 2 : 

Most modern TV's draw power even if turned off. The circuit the power is used in does what function?
A. High voltage
B. Color balance
C. Remote control
D. Sound

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Correct Ans: Option C

Question 3 : 

The clear sky looks blue because
A. Diffraction of light
B. Refraction of light
C. Reflection of light
D. Dispersion of light

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Correct Ans: Option D

Question 4 : 

Mesons are found in
A. Gamma rays
B. Cosmic rays
C. X-rays
D. Laser beam

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Correct Ans: Option B

Question 5 : 

In which decade was the telephone invented?
A. 1880s
B. 1860s
C. 1850s
D. 1870s

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Correct Ans: Option D

Question 6 : 

The transformer that develops the high voltage in a home television is commonly called a ________?
A. Yoke
B. Tesla coil
C. Van de Graaf
D. Flyback

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Correct Ans: Option D

Question 7 : 

The rotor slots are usually given slight skew in the squirrel cage induction motor
A. To increase the tensile strength of the rotor bars and hence strength
B. To reduce the magnetic hum and locking tendency of the rotor
C. To save the copper used
D. Because of case in fabrication

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Correct Ans: Option B

Question 8 : 

In the visible spectrum, the colour having the shortest wavelength is
A. Green
B. Violet
C. Blue
D. Yellow

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Correct Ans: Option B

Question 9 : 

Convex lenses are used for the correction of
A. Short- Sightedness
B. Cataract
C. Long-Sightedness
D. None of these

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Correct Ans: Option C

Question 10 : 

What is the S.I. unit of temperature?
A. Centigrade
B. Fahrenheit
C. Kelvin
D. Celsius

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Correct Ans: Option C

Quiz Summary

Here the correct answers of every question in this quiz.

Q.1 [D],     Q.2 [C],     Q.3 [D],     Q.4 [B],     Q.5 [D],     Q.6 [D],     Q.7 [B],     Q.8 [B],     Q.9 [C],     Q.10 [C],    


Total Questions: 10
Your score:
Subject: Physics
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