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RAILWAY MCQs in hindi [Page 7 of Department 101]

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Kirti • 10.14K Points
Tutor II 

61) स्टेथोस्कोप ध्वनि के किस सिध्दांत पर कार्य करता है?

(A) परावर्तक
(B) अपवर्तन
(C) विवर्तन
(D) इनमे से कोई नही
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Correct Answer - Option (A)

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Tutor II 

62) एक व्यक्ति को अपनी प्रतिध्वनि सुनने के लिए परावर्तक तल से कितनी दूर खड़ा होना चाहिए?

(A) 224 फीट
(B) 124 फीट
(C) 56 फीट
(D) 65 फीट
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Correct Answer - Option (C)

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Kirti • 10.14K Points
Tutor II 

63) ध्वनि तरंगे किसके कारण प्रतिध्वनि उत्पन्न करती है?

(A) अपवर्तन के कारण
(B) परावर्तन के कारण
(C) विवर्तन के कारण
(D) इनमे से कोई नही
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Correct Answer - Option (B)

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Kirti • 10.14K Points
Tutor II 

64) रडार की कार्य प्रणाली निम्न सिद्धात पर आधरित होती है?

(A) रेडियो तरंगो का अपवर्तन
(B) रेडियो तरंगो का परावर्तन
(C) डॉप्लर प्रभाव
(D) इनमे से कोई नही
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Correct Answer - Option (B)

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Kirti • 10.14K Points
Tutor II 

65) स्पष्ट प्रतिध्वनि सुनने की लिए परावर्तक तल व ध्वनि स्रोत के बीच न्यूनतम दुरी होनी चाहिए?

(A) 10 मी.
(B) 15 मी.
(C) 17 मी.
(D) 19 मी.
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Correct Answer - Option (C)

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Kirti • 10.14K Points
Tutor II 

66) प्रतिध्वनी का कारण है?

(A) ध्वनि का परावर्तन
(B) ध्वनि का अपवर्तन
(C) ध्वनि का अवशोषण
(D) ध्वनि की चाल
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Correct Answer - Option (A)

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Kirti • 10.14K Points
Tutor II 

67) डेसिबल का प्रयोग निम्न में से किसे मापने के लिए किया जाता है?

(A) प्रकाश की गति
(B) ध्वनि की तीव्रता
(C) ऊष्मा की तीव्रता
(D) इनमे से कोई नही
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Correct Answer - Option (B)

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Tutor II 

68) चिल्लाते समय व्यक्ति हमेसा हथेली को अपने मुह के समीप क्यों रखते है?

(A) उस स्थिति में ध्वनि ऊर्जा सिर्फ एक दिशा में इंगित होती है
(B) ध्वनि कम हो जाती है
(C) ध्वनि बढ़ जाती है
(D) कोई प्रभाव नही होता है
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Correct Answer - Option (A)

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Kirti • 10.14K Points
Tutor II 

69) कोनसी प्रक्रिया प्रकाश और ध्वनि दोनों में घटित नही होटी है?

(A) विवर्तन
(B) परावर्तन
(C) धुर्वण
(D) इनमे से कोई नही
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Correct Answer - Option (C)

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Tutor II 

70) एक अन्तरिक्ष यात्री अपने सहपाठी को चन्द्रमा की सतह पर सुन नही सकता क्योकि?

(A) आवाज नही निकलती मुह से
(B) वातावरण नही होने के कारण
(C) बहरे हो जाते है
(D) इनमे से कोई नही
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Correct Answer - Option (B)

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You are learning MCQ Questions of RAILWAY in hindi Department : 101 | Page : 7

Departments: Each department has 200 Multiple choice questions.
Department 1
Department 2
Department 3
Department 4
Department 5
Department 6
Department 7
Department 8
Department 9
Department 10
Department 11
Department 12
Department 13
Department 14
Department 15
Department 16
Department 17
Department 18
Department 19
Department 20
Department 21
Department 22
Department 23
Department 24
Department 25
Department 26
Department 27
Department 28
Department 29
Department 30
Department 31
Department 32
Department 33
Department 34
Department 35
Department 36
Department 37
Department 38
Department 39
Department 40
Department 41
Department 42
Department 43
Department 44
Department 45
Department 46
Department 47
Department 48
Department 49
Department 50
Department 51
Department 52
Department 53
Department 54
Department 55
Department 56
Department 57
Department 58
Department 59
Department 60
Department 61
Department 62
Department 63
Department 64
Department 65
Department 66
Department 67
Department 68
Department 69
Department 70
Department 71
Department 72
Department 73
Department 74
Department 75
Department 76
Department 77
Department 78
Department 79
Department 80
Department 81
Department 82
Department 83
Department 84
Department 85
Department 86
Department 87
Department 88
Department 89
Department 90
Department 91
Department 92
Department 93
Department 94
Department 95
Department 96
Department 97
Department 98
Department 99
Department 100
Department 101
Department 102
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Department 105
Department 106
Department 107
Department 108
Department 109
Department 110
Department 111
Department 112
Department 113
Department 114
Department 115
Department 116
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Department 121
Department 122
Department 123
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Department 126
Department 127
Department 128
Department 129
Department 130
Department 131
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Department 133
Department 134
Department 135
Department 136
Department 137
Department 138
Department 139
Department 140
Department 141
Department 142
Department 143
Department 144
Department 145
Department 146
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Department 148
Department 149
Department 150
Department 151
Department 152
Department 153
Department 154
Department 155
Department 156
Department 157
Department 158
Department 159
Department 160
Department 161
Department 162
Department 163
Department 164
Department 165
Department 166
Department 167
Department 168
Department 169
Department 170
Department 171
Department 172
Department 173
Department 174
Department 175
Department 176
Department 177
Department 178
Department 179
Department 180
Department 181
Department 182
Department 183
Department 184
Department 185
Department 186
Department 187

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