Sail E0 Webinar

General Knowledge > General Science

PHYSICS MCQs

Total Questions : 3767 | Page 65 of 377 pages
Question 641. Alcohol is more volatile than water because ________ is lower than water.
  1.    Its boiling point
  2.    Its density
  3.    Its viscosity
  4.    Its surface tension
 Discuss Question
Answer: Option A. -> Its boiling point
Question 642. A manometer is used to measure
  1.    Earthquake
  2.    Pressure
  3.    Temperature
  4.    Density
 Discuss Question
Answer: Option B. -> Pressure
Question 643. Anemometer is used to measure
  1.    Wind direction
  2.    Wind velocity
  3.    Pressure gradient
  4.    Wind speed and time
 Discuss Question
Answer: Option B. -> Wind velocity
Question 644. The instrument used to measure the speed of the wind is
  1.    Altimeter
  2.    Anemometer
  3.    Chronometer
  4.    Dosimeter
 Discuss Question
Answer: Option B. -> Anemometer
Question 645. The sudden fall of atmospheric pressure indicates
  1.    Fair weather
  2.    Storm
  3.    Rain
  4.    Cold weather
 Discuss Question
Answer: Option B. -> Storm
Question 646. Hydraulic brakes in automobile work on
  1.    Poiseuille's principle
  2.    Pascal's principle
  3.    Archimedes' principle
  4.    Bernoulli's principle
 Discuss Question
Answer: Option B. -> Pascal's principle
Question 647. On which principle does the hydraulic lift works?
  1.    Newton's law
  2.    Pascal's law
  3.    Archimedes's law
  4.    Joule's law
 Discuss Question
Answer: Option B. -> Pascal's law
Question 648. When the barometer reading dips suddenly, it is an indication of
  1.    Hot weather
  2.    Calm weather
  3.    Storm
  4.    Dry weather
 Discuss Question
Answer: Option C. -> Storm
Question 649. A storm is predicted if atmospheric pressure
  1.    Rises suddenly
  2.    Rises gradually
  3.    Falls suddenly
  4.    Falls gradually
 Discuss Question
Answer: Option C. -> Falls suddenly
Question 650. Why do birds not have respiratory trouble at the time of flying at high altitude ?
  1.    Their lungs are very large
  2.    They fly inactively
  3.    They have extra air sacs
  4.    They use less oxygen
 Discuss Question
Answer: Option C. -> They have extra air sacs

Latest Videos

Latest Test Papers