Practice MCQ Questions and answers on Physics-GK Page-10 section-11

Section 1 Section 2 Section 3 Section 4 Section 5 Section 6 Section 7 Section 8 Section 9 Section 10 Section 11 Section 12 Section 13 Section 14 Section 15

91.
Red light has a wavelength of 70 A°. In "nm" it is

A. 7 nm

B. 0.07 nm

C. 70 nm

D. 700 nm

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92.
Lux is the SI unit of

A. Luminous flux

B. Luminous efficiency

C. Intensity of illumination

D. Luminous intensity

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93.
Which of the following are used for accurately measuring very small time intervals ?

A. Pulsars

B. Quartz clocks

C. Atomic clocks

D. White dwarfs

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94.
Which of the following is the unit of Astronomical Distance ?

A. Metre/sec

B. Sec

C. Para/sec

D. Parsec

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95.
What is unit of Astronomical distance ?

A. Light year

B. Angstrom

C. Weber

D. Lux

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96.
The SI unit of luminous emittance is :

A. Lux

B. Candela

C. Lumen

D. Lumen second

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97.
The unit of measurement of noise is

A. Decibel

B. Hertz

C. Amplifier

D. Acoustics

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98.
Which of the following pair is Incorrect?
I. Parsec - Distance
II. Barrel - Liquid
III. Light year - Time

A. Only III

B. Only I and III

C. Only II

D. All are correct

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99.
Radian is used to measure

A. Temperature

B. Intensity of Flame

C. Angle

D. Solid Angle

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100.
What is the unit of the physical quantity Entropy?

A. Watt per kelvin

B. Newton per kelvin

C. Pascal per kelvin

D. Joule per kelvin

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Practice MCQ Questions and answers on Physics-GK

91. Red light has a wavelength of 70 A°. In "nm" it is

Answer & Solution

92. Lux is the SI unit of

Answer & Solution

93. Which of the following are used for accurately measuring very small time intervals ?

Answer & Solution

94. Which of the following is the unit of Astronomical Distance ?

Answer & Solution

95. What is unit of Astronomical distance ?

Answer & Solution

96. The SI unit of luminous emittance is :

Answer & Solution

97. The unit of measurement of noise is

Answer & Solution

98. Which of the following pair is Incorrect?I. Parsec - DistanceII. Barrel - LiquidIII. Light year - Time

Answer & Solution

99. Radian is used to measure

Answer & Solution

100. What is the unit of the physical quantity Entropy?

Answer & Solution

Read More Section(Physics)

91.
Red light has a wavelength of 70 A°. In "nm" it is

92.
Lux is the SI unit of

93.
Which of the following are used for accurately measuring very small time intervals ?

94.
Which of the following is the unit of Astronomical Distance ?

95.
What is unit of Astronomical distance ?

96.
The SI unit of luminous emittance is :

97.
The unit of measurement of noise is

98.
Which of the following pair is Incorrect?
I. Parsec - Distance
II. Barrel - Liquid
III. Light year - Time

99.
Radian is used to measure

100.
What is the unit of the physical quantity Entropy?