Discussion
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- Question
Exerts a force on anything that has an electric charge
Options- A. Electric field
- B. Electrostatic force
- C. Inductive field
- D. All of the above
- Correct Answer
- Electric field
- 1. The primary agent of contact metamorphism is
Options- A. Temperature
- B. Pressure
- C. Weathering
- D. Flowing water Discuss
- 2. Conservation of energy refers to the fact that
Options- A. if you conserve energy you will not be as tired
- B. energy cannot be created or destroyed but can be converted from one form to another
- C. no chemical reaction is 100 percent efficient
- D. the entropy of the universe is always increasing Discuss
- 3. Which of the following has the shortest wavelength?
Options- A. Gamma rays
- B. Radio waves
- C. Microwaves
- D. Infrared rays Discuss
- 4. Granite is the examples of which rock ?
Options- A. Igneous rock
- B. Sedimentary rock
- C. Calcareous rock
- D. Matamorphic Discuss
- 5. Electric charges that are different attract each other.
Options- A. TRUE
- B. FALSE Discuss
- 6. The size of gear is usually specified by
Options- A. pitch circle diameter
- B. diametral pitch
- C. pressure angle
- D. circular pitch Discuss
- 7. The light of distant stars is affected by
Options- A. Interstellar Dust
- B. The Earth's Atmosphere
- C. Both A & B
- D. None of the above Discuss
- 8. If an object moves with constant velocity,
Options- A. it must have constant speed
- B. it must have constant direction
- C. it must have constant speed in constant direction
- D. None of the above Discuss
- 9. After removing two electrons from helium atom it become?
Options- A. UV rays
- B. Alpha particle
- C. Gama particle
- D. X rays Discuss
- 10. A fixture is defined as a device which
Options- A. is used to check the accuracy of workpiece
- B. holds and locates a workpiece and guides and controls one or more cutting tools
- C. holds and locates a workpiece during an inspection or for a manufacturing operation
- D. All of the above Discuss
Physics problems
Search Results
Correct Answer: Temperature
Explanation:
The primary agent of contact metamorphism is heat or temperature.
Correct Answer: energy cannot be created or destroyed but can be converted from one form to another
Explanation:
"Conservation of energy" refers to the fact that energy cannot be created or destroyed but can be converted from one form to another.
Correct Answer: Gamma rays
Explanation:
Gamma rays has the shortest wavelength and radio waves has the longest wavelength.
Correct Answer: Igneous rock
Explanation:
It forms slow crystallization of magma below Earth's surface.Granite is a hard light-colored igneous rock and it is composed mainly of quartz and feldspar with minor amounts of mica, amphiboles and other minerals it is mainly used for building and monuments
Correct Answer: TRUE
Correct Answer: pitch circle diameter
Explanation:
The size of gear is usually specified by pitch circle diameter.
Correct Answer: Both A & B
Correct Answer: it must have constant speed in constant direction
Correct Answer: Alpha particle
Correct Answer: holds and locates a workpiece and guides and controls one or more cutting tools
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