Discussion
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- Question
Which property of metals enables production of metallic foils?
Options- A. Malleability
- B. Ductility
- C. Sonority
- D. Conductivity
- Correct Answer
- Malleability
- 1. A person does some work of 1,000 J in 2 s. His power will be ......
Options- A. 1000W
- B. 25W
- C. 500W
- D. 50W Discuss
- 2. "When a card placed over a tumbler is flicked with the finger, the coin placed over it falls in the tumbler".
Options- A. Law of conservation of energy
- B. Newton's third law of motion
- C. Law of Inertia
- D. Law of conservation of momentum Discuss
- 3. Which of the following cannot be used for making lenses?
Options- A. Plastic
- B. Soil
- C. Glass
- D. Water Discuss
- 4. If the current flowing through a circuit is 0.6 A for 6 mins, the amount of electric charge flowing through it is .......
Options- A. 360C
- B. 216 C
- C. 60 C
- D. 36 C Discuss
- 5. Which physical quantity is measured in 'siemens'?
Options- A. Electric potential
- B. Electrical conductance
- C. Magnetic flux
- D. Refractive index Discuss
- 6. A person lifts luggage of 20 kg from the ground and puts it on his head 2 in above the ground. Calculate the work done by him. (g = l0 )
Options- A. 20 J
- B. 400J
- C. 200J
- D. 40J Discuss
- 7. What is the other name of Galileo's law of falling bodies?
Options- A. Law of motion
- B. Newton's first law
- C. Newton's second law
- D. Newton's third law Discuss
- 8. Which of the following is not a unit of energy?
Options- A. Calorie
- B. Joule
- C. electron volt
- D. Watt Discuss
- 9. The boiling point of liquids vary as
Options- A. pressure varies
- B. temperature varies
- C. volume varies
- D. density varies Discuss
- 10. Bubbles of air rise up through liquids due to
Options- A. Surface tension and adherence
- B. viscosity and buoyancy
- C. air current over the liquid and buoyancy
- D. Up thrust and surface tension Discuss
Physics problems
Search Results
Correct Answer: 500W
Correct Answer: Law of Inertia
Correct Answer: Soil
Correct Answer: 216 C
Correct Answer: Electrical conductance
Correct Answer: 400J
Correct Answer: Newton's first law
Correct Answer: Watt
Explanation:
The watt(symbol: W) is a unit of power. In the International System of Units (SI) it is defined as a derived unit of 1 joule per second, and is used to quantify the rate of energy transfer. In dimensional analysis it is described by
Correct Answer: pressure varies
Correct Answer: viscosity and buoyancy
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