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- Question
What type of simple machine is an axe?
Options- A. Lever
- B. Wedge
- C. Both A & B
- D. The screw
- Correct Answer
- Both A & B
- 1. Which of the following is a renewable resource of energy?
Options- A. Hydrogen fuel
- B. Wind energy
- C. Solar energy
- D. All of the above Discuss
- 2. The law of conservation of mass states that mass cannot be changed overtime.
Options- A. TRUE
- B. FALSE Discuss
- 3. What property of matter is momentum related to?
Options- A. mass
- B. velocity
- C. Both A & B
- D. None of the above Discuss
- 4. The composition of electrician solder is
Options- A. lead-37%, tin-63%
- B. Iron-37%, tin-63%
- C. lead-37%, Steel-63%
- D. Steel-37%, copper-63% Discuss
- 5. When does land breeze occur?
Options- A. Fall
- B. Winter
- C. Both A & B
- D. Hot summer Discuss
- 6. Ampere second could be the unit of
Options- A. Power
- B. Energy
- C. Conductance
- D. Charge Discuss
- 7. The rate of flow of electric charge is measured in
Options- A. ampere
- B. coulomb
- C. ampere/coulomb
- D. ampere-coulomb Discuss
- 8. Which waves cannot be transmitted through vacuum?
Options- A. Electromagnetic
- B. Light
- C. Sound
- D. Heat Discuss
- 9. Which measurement depends on gravitational force?
Options- A. Mass
- B. Weight
- C. Height
- D. All of the above Discuss
- 10. Depth of ocean is measured by
Options- A. Animometer
- B. Aerometer
- C. Siesmometer
- D. Fathometer Discuss
Physics problems
Search Results
Correct Answer: All of the above
Explanation:
Renewable energy is energy that is collected from renewable resources, which are naturally replenished on a human timescale, such as sunlight, wind, rain, tides, waves, and geothermal heat.
Correct Answer: TRUE
Explanation:
The law of conservation of mass states that in any closed system the mass of the system is neither created nor destroyed over time i.e, the mass cannot be changed overtime.
Hence, the given statement is true.
Correct Answer: Both A & B
Explanation:
At any given speed, momentum is directly proportional to mass of an object.
Correct Answer: lead-37%, tin-63%
Correct Answer: Both A & B
Explanation:
Land breezes are more common during winter and fall season. It occurs as it becomes night, the air on the land colls fast and air on the water surface are warmth than that and begin to rise.
Correct Answer: Conductance
Correct Answer: ampere
Correct Answer: Sound
Explanation:
Sound waves cannot be transmitted through vacuum.
Correct Answer: Weight
Explanation:
We know that,
Weight W = mg. That is mass times gravitational force.
Correct Answer: Fathometer
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