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Miscellaneous Physics

122 MCQ questions with answers and explanations · page 4 of 5

Test yourself▶ 25 question test▶ 50 question test

Q76. What is the technical name of flight recorder?

  1. Adeep box
  2. Bblind box
  3. Cblack box
  4. Dheight meter
Show answer & explanation

Answer: C) black box

Q77. The speed of wind is measured by the following:

  1. Abarometer
  2. BAnemometer
  3. CHydrometer
  4. Dwind vane
Show answer & explanation

Answer: B) Anemometer

Q78. Tachometer is used to measure what?

  1. Agravity
  2. Brotational speed
  3. Csurface tension
  4. Ddispersion power
Show answer & explanation

Answer: B) rotational speed

Q79. Match List-I with List-II and select the correct answer using the code given below the lists. List-I (Instrument) List-II (Quantity measured) A Ammeter 1. Pressure B Hygrometer 2. Weight C Barometer 3. Current D Spring Balance 4. Relative Humidity

  1. AABCD 2 3 4 1
  2. BABCD 3 4 1 2
  3. CABCD
  4. DABCD
Show answer & explanation

Answer: B) ABCD 3 4 1 2

Q80. Match the following- List-I List-II A Richter scale 1. Pressure B Beaufort scale 2. Absolute temperature C Kelvin scale 3. Seismic intensity D Millibar scale 4. Wind speed

  1. AABCD 3 4 2 1
  2. BABCD
  3. CABCD
  4. DABCD 3 4 1 2
Show answer & explanation

Answer: A) ABCD 3 4 2 1

Q81. Match List-I with List-II and select the correct answer using the code given below the lists. List-I List-II A Anemometer 1. Earthquake B Seismograph 2. Atmospheric pressure C Barograph 3. Wind velocity D Hygrometer 4. Humidity

  1. AABCD
  2. BABCD
  3. CABCD
  4. DABCD
Show answer & explanation

Answer: D) ABCD

Q82. Match the following- List-I List-II A Earthquake 1. Ammeter B Altitude 2. Seismograph C Electric Current 3. Altimeter D Resistance 4. Ohm

  1. AABCD 2 3 1 4
  2. BABCD 2 3 4 1
  3. CABCD
  4. DABCD 2 3 4 1
Show answer & explanation

Answer: A) ABCD 2 3 1 4

Q83. Match List-I with List-II and select the correct answer using the codes given below the lists. List-I (Name of the instrument) List-II (Quantities they measure) A Anemometer 1. Speed of rotation B Ammeter 2. High temperature C Tachometer 3. Wind speed D Pyrometer 4. Electric speed 5. Loudness

  1. AABCD
  2. BABCD 3 4 1 2
  3. CABCD 3 5 2 1
  4. DABCD
Show answer & explanation

Answer: B) ABCD 3 4 1 2

Q84. The 'Block Hole Theory' was propounded by-

  1. AC. V. Raman
  2. BH.J. Mama
  3. CS. Chandrasekhar
  4. Dby Hargobind Khurana
Show answer & explanation

Answer: C) S. Chandrasekhar

Q85. Who is the inventor of the laws of gravity?

  1. AEdison
  2. BNewton
  3. CFaraday
  4. DNone of these
Show answer & explanation

Answer: B) Newton

Q86. Who discovered the 'Law of Floating' principle?

  1. ANewton
  2. BWright Brothers
  3. CGalileo
  4. DArchimedes
Show answer & explanation

Answer: D) Archimedes

Q87. The magnetic effect of electric current was first observed in-

  1. Aby Henry
  2. Bby Ostand
  3. Cby Faraday
  4. DBy Volta
Show answer & explanation

Answer: B) by Ostand

Q88. Who introduced the fourth dimension in physics?

  1. ANewton
  2. BEinstein
  3. CGalileo
  4. DNiels Bohr
Show answer & explanation

Answer: B) Einstein

Q89. What is the distance of a light year?

  1. A3 ×8 km
  2. B9.46 ×10 km
  3. C9.46 ×12 km
  4. D9.46 ×15 km
Show answer & explanation

Answer: C) 9.46 ×12 km

Q90. 1 kilocalorie is the value of heat

  1. A4.2 J
  2. B4.2 ×14 J
  3. C4.2 ×103 J
  4. D4.2 ×14 J
Show answer & explanation

Answer: C) 4.2 ×103 J

Q91. 1 megawatt hour (MWh) is equal to-

  1. A3.6 ×3 J
  2. B3.6 ×4 J
  3. C3.6 ×7 J
  4. D3.6 ×9 J
Show answer & explanation

Answer: D) 3.6 ×9 J

Q92. 1 joule is equal to-

  1. A10 3Arg
  2. B10 5 Arg
  3. C107 Arg
  4. D1011 Arg
Show answer & explanation

Answer: C) 107 Arg

Q93. One nanosecond consists of-

  1. A10-6 s
  2. B109 s
  3. C10-3 s
  4. D10-9 s
Show answer & explanation

Answer: D) 10-9 s

Q94. How many meters are in an angstrom?

  1. A10-10 m
  2. B102 m
  3. C1010 m
  4. D107 m
Show answer & explanation

Answer: A) 10-10 m

Q95. One horsepower (HP) consists of-

  1. A200 W
  2. B500 W
  3. C700W
  4. D746 W
Show answer & explanation

Answer: D) 746 W

Q96. One micron is equal to-

  1. A1/10 mm
  2. B1/10mm
  3. C1/1000 mm
  4. D1/1000mm
Show answer & explanation

Answer: C) 1/1000 mm

Q97. One picogram is equal to-

  1. A10-6 g
  2. B10-9 g
  3. C10-12 g
  4. D10-15 g
Show answer & explanation

Answer: C) 10-12 g

Q98. Femto means power of ten.

  1. A-20
  2. B-12
  3. C-15
  4. D-16
Show answer & explanation

Answer: C) -15

Q99. 1 kilometer distance means-

  1. A100 m
  2. B1000 cm
  3. C1000 meters
  4. D100 cm
Show answer & explanation

Answer: C) 1000 meters

Q100. One nautical mile is equal to........

  1. A1672 m.
  2. B2000 m.
  3. C1852 m.
  4. D2450 m.
Show answer & explanation

Answer: C) 1852 m.

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