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- Question
When a barometer is rising air pressure is
Options- A. increasing
- B. decreasing
- C. constant
- D. zero
- Correct Answer
- increasing
ExplanationThe device which is used to measure air pressure is called as barometer. If the barometer reading is rising, it indicates that the air pressure is increasing and if the reading is falling the air pressure is decreaing.
- 1. Glass is made of which material?
Options- A. Calcium carbonate
- B. Sand
- C. Silver Iodide
- D. Lime Discuss
- 2. Stars are held together by
Options- A. Gravitational forces
- B. Electrical forces
- C. Ionic forces
- D. Magnetic forces Discuss
- 3. Gravitational force is maximum at which place
Options- A. Poles
- B. Tropic of cancer
- C. Tropic of capricorn
- D. Equator Discuss
- 4. A gradual increase in loudness is known as
Options- A. Crescendo
- B. Timbre
- C. Fortissimo
- D. None of the above Discuss
- 5. When a running car stops suddenly, the passengers tends to lean forward because of
Options- A. Gravitational force
- B. Inertia of motion
- C. Law of conservation of mass
- D. Both B & C Discuss
- 6. Which of the following pairing is incorrect
Options- A. Hygrometer - Water vapour content of the atmosphere
- B. Lactometer - Specific gravity of liquids
- C. Anemometer - Speed of the wind
- D. Seismograph - Earthquakes Discuss
- 7. What is the unit of resistance?
Options- A. ohm
- B. farad
- C. henry
- D. weber Discuss
- 8. SI unit of Luminious intensity is
Options- A. Lumen
- B. Lux
- C. Candela
- D. Watt Discuss
- 9. Heat energy of an object is
Options- A. the average energy of the molecules of the object
- B. the total energy of the molecules of the object
- C. the average velocity of the molecules of the object
- D. the average potential energy of the molecules of the object Discuss
- 10. What are the particles emitted by radio active element after 3 consequtive disintegrations?
Options- A. 2 alpha 1 beta
- B. 1 alpha 1 beta
- C. 2 beta 1 alpha
- D. 2 beta 2 alpha Discuss
Physics problems
Search Results
Correct Answer: Sand
Correct Answer: Gravitational forces
Correct Answer: Poles
Explanation:
Gravitational force is the force that binds everything at the surface of the earth. Gravitational force is maximum at Poles.
Correct Answer: Crescendo
Correct Answer: Inertia of motion
Explanation:
When a running car stops suddenly, the passengers tends to lean forward because of Inertia of motion.
Correct Answer: Lactometer - Specific gravity of liquids
Correct Answer: ohm
Correct Answer: Candela
Correct Answer: the total energy of the molecules of the object
Correct Answer: 2 beta 1 alpha
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