Practice MCQ Questions and answers on Physics-GK Page-8 section-13

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

71.
Which one type of radiation has the longest wave length

A. Infrared

B. Ultraviolet

C. X-ray

D. Radio Wave

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72.
Forged documents are detected by

A. Ultraviolet rays

B. Infra-red rays

C. Beta rays

D. Gamma rays

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73.
The radiation initially produced in fluorescent tube is

A. Infrared

B. Ultraviolet

C. Microwaves

D. X-rays

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74.
In a vacuum, all electromagnetic waves have the same

A. Velocity

B. Wavelenth

C. Frequency

D. All the above

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75.
Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by

A. Carbon dioxide

B. Ammonia

C. Chlorine

D. Ozone

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76.
Which one among the following is not an electromagnetic wave?

A. X-Ray

B. R-Ray

C. Cathode Ray

D. Infrared Ray

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77.
Electromagnetic waves are transverse in nature is evident by

A. Reflection

B. Polarisation

C. Interference

D. Diffraction

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78.
Which of the following parts of the sunlight makes the solar cooker hot ?

A. Ultra violet

B. Red light

C. Infra red

D. Cosmic rays

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79.
In the atmosphere ultraviolet rays are absorbed by

A. Oxygen

B. Nitrogen

C. Ozone

D. Helium

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80.
Energy of Ultraviolet rays is great than

A. Infrared rays

B. Gamma rays

C. X-rays

D. Cosmic rays

Answer & Solution Discuss in Board Save for Later

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Practice MCQ Questions and answers on Physics-GK

71. Which one type of radiation has the longest wave length

Answer & Solution

72. Forged documents are detected by

Answer & Solution

73. The radiation initially produced in fluorescent tube is

Answer & Solution

74. In a vacuum, all electromagnetic waves have the same

Answer & Solution

75. Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by

Answer & Solution

76. Which one among the following is not an electromagnetic wave?

Answer & Solution

77. Electromagnetic waves are transverse in nature is evident by

Answer & Solution

78. Which of the following parts of the sunlight makes the solar cooker hot ?

Answer & Solution

79. In the atmosphere ultraviolet rays are absorbed by

Answer & Solution

80. Energy of Ultraviolet rays is great than

Answer & Solution

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71.
Which one type of radiation has the longest wave length

72.
Forged documents are detected by

73.
The radiation initially produced in fluorescent tube is

74.
In a vacuum, all electromagnetic waves have the same

75.
Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by

76.
Which one among the following is not an electromagnetic wave?

77.
Electromagnetic waves are transverse in nature is evident by

78.
Which of the following parts of the sunlight makes the solar cooker hot ?

79.
In the atmosphere ultraviolet rays are absorbed by

80.
Energy of Ultraviolet rays is great than