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Miscellaneous Physics

122 MCQ questions with answers and explanations · page 2 of 5

Test yourself▶ 25 question test▶ 50 question test

Q26. The inventor of the electric bulb is-

  1. AJ.L. Baird
  2. BJ.B. Reyes
  3. CThomas Alva Edison
  4. DMarconi
Show answer & explanation

Answer: C) Thomas Alva Edison

Q27. Who invented the 'barometer'?

  1. AEvangelista Torricelli
  2. BCharles Xavier Thomas
  3. CEdward Teller
  4. DGustav Tauschek
Show answer & explanation

Answer: A) Evangelista Torricelli

Q28. Who invented the 'electronic computer'?

  1. AEckert and Moschli
  2. BCarl Wenz
  3. CThomas Alva Edison
  4. DEdward Teller
Show answer & explanation

Answer: A) Eckert and Moschli

Q29. Who invented LED?

  1. ANick Hollow Nyack
  2. BElvas Howe
  3. CChuck Plough
  4. DChristiaan Huygens
Show answer & explanation

Answer: A) Nick Hollow Nyack

Q30. The machine gun was invented by-

  1. AJ.L. by baird
  2. Bby G. Broussa
  3. Cby Karl Benz
  4. Dby James Puckle
Show answer & explanation

Answer: D) by James Puckle

Q31. Who invented the safety razor?

  1. ASteve Cher
  2. BLar Strauss
  3. CGillette
  4. DSteve Job
Show answer & explanation

Answer: C) Gillette

Q32. Who invented the mercury thermometer?

  1. ANewton
  2. BFahrenheit
  3. CPriestley
  4. DGalileo
Show answer & explanation

Answer: B) Fahrenheit

Q33. Who invented the mobile phone?

  1. ARaymond Samuel Tomlinson
  2. BMartin Cooper
  3. CChuck Hoole
  4. DTim Berners-Lee
Show answer & explanation

Answer: B) Martin Cooper

Q34. Who invented the battery?

  1. AVolta
  2. BRoentgen
  3. CFaraday
  4. DMaxwell
Show answer & explanation

Answer: A) Volta

Q35. Mark the wrong pair from the following-

  1. AMadame Curie - Dynamite
  2. BA.G. Bell - Telephone
  3. CJ.L. Baird - Television
  4. DJames Watt - Steam Engine
Show answer & explanation

Answer: A) Madame Curie - Dynamite

Q36. Who invented the diesel engine?

  1. ARudolph
  2. BJohn Napier
  3. CMacmillan
  4. DJohn Macadam
Show answer & explanation

Answer: A) Rudolph

Q37. What did Alfred Nobel invent?

  1. Amicrophone
  2. Btypewriter
  3. Cdynamite
  4. Dgramophone
Show answer & explanation

Answer: C) dynamite

Q38. The acidity of rain is measured by-

  1. Abarometer
  2. BHygrometer
  3. CAmmeter
  4. DpH meter
Show answer & explanation

Answer: D) pH meter

Q39. Pyrometer is used to measure the following:

  1. Aair pressure
  2. Bintensity of the earthquake
  3. Chigh temperature
  4. Dhumidity
Show answer & explanation

Answer: C) high temperature

Q40. Which of the following instruments is used to find the position of objects submerged in the ocean?

  1. Aaudiometer
  2. Bgalvanometer
  3. CSextant
  4. DSonar
Show answer & explanation

Answer: D) Sonar

Q41. Which of the following is not correctly matched?

  1. AManometer - pressure
  2. BCarburetor - Internal Combustion Engine
  3. CCardiograph - heart rate
  4. DSeismometer - surface curvature
Show answer & explanation

Answer: D) Seismometer - surface curvature

Q42. Which of the following is not correctly matched?

  1. AAnemometer - Wind Speed
  2. Bammeter - electric current
  3. Ctachometer - pressure difference
  4. DPyrometer - High Temperature
Show answer & explanation

Answer: C) tachometer - pressure difference

Q43. Relative humidity is measured by—

  1. Afrom a hydrometer
  2. Bfrom a hygrometer
  3. Cby lactometer
  4. Dfrom a potentiometer
Show answer & explanation

Answer: B) from a hygrometer

Q44. The function of 'thermostat' in a refrigerator is-

  1. ALowering the temperature
  2. Bincrease freezing temperature
  3. Cmaintain a consistent temperature
  4. DDecreasing the melting point
Show answer & explanation

Answer: C) maintain a consistent temperature

Q45. What is measured by a manometer?

  1. Aair pressure
  2. Bgas pressure
  3. Coil pressure at the surface
  4. DDensity of liquids
Show answer & explanation

Answer: B) gas pressure

Q46. Which instrument is used to measure the humidity of air?

  1. AHygrometer
  2. BHydrometer
  3. CManometer
  4. Dodometer
Show answer & explanation

Answer: A) Hygrometer

Q47. What is used to measure the density of milk?

  1. Alactometer
  2. BHydrometer
  3. Cbarometer
  4. DHygrometer
Show answer & explanation

Answer: A) lactometer

Q48. Which of the following is used to measure height?

  1. Abarometer
  2. BPlanimeter
  3. CAltimeter
  4. DHydrometer
Show answer & explanation

Answer: C) Altimeter

Q49. How is the intensity of an earthquake measured?

  1. Abarometer
  2. BHydrometer
  3. Cpolygraph
  4. DSeismograph
Show answer & explanation

Answer: D) Seismograph

Q50. Carburetor is used for-

  1. Asupplying petrol to the engine
  2. Bmixing air with petrol
  3. Cpurifying petrol
  4. DPurifying the air
Show answer & explanation

Answer: B) mixing air with petrol

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