Discussion
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- Question
Electric charges that are different attract each other.
Options- A. TRUE
- B. FALSE
- Correct Answer
- TRUE
- 1. The temperature at which water boils depends mainly on
Options- A. Air Pressure
- B. Specific heat
- C. Density
- D. Relative humidity Discuss
- 2. Magnetism in materials is due to
Options- A. Displacement of electrons
- B. Circular motion of electrons
- C. Charges of neutrons
- D. All of the above Discuss
- 3. Thermohaline circulation is mainly due to
Options- A. cold, dense ocean water sinking and warmer water replacing it
- B. winds causing circulation of ocean water
- C. warmer, less dense water sinking in the ocean and cold water replacing it
- D. warm water being added to the ocean due to industial waste Discuss
- 4. What type of heat transfer is boiling water?
Options- A. radiation
- B. conduction
- C. convection
- D. None of the above Discuss
- 5. The odometer guage indicates
Options- A. the distance travelled by a vehicle
- B. the depth of the ocean
- C. pitch length
- D. frequency of the wave Discuss
- 6. Granite is the examples of which rock ?
Options- A. Igneous rock
- B. Sedimentary rock
- C. Calcareous rock
- D. Matamorphic Discuss
- 7. Which of the following has the shortest wavelength?
Options- A. Gamma rays
- B. Radio waves
- C. Microwaves
- D. Infrared rays Discuss
- 8. 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
- 9. The primary agent of contact metamorphism is
Options- A. Temperature
- B. Pressure
- C. Weathering
- D. Flowing water Discuss
- 10. 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 Discuss
Physics problems
Search Results
Correct Answer: Air Pressure
Explanation:
The temperature at which water boils depends mainly on air pressure.
Correct Answer: Circular motion of electrons
Explanation:
Magnetism in materials is due to circular motion of electrons.
Correct Answer: cold, dense ocean water sinking and warmer water replacing it
Correct Answer: convection
Explanation:
Convection is by far the most efficient and common way for heat to be transferred through liquids and gases. It occurs when some regions of a fluid get hotter than others, causing currents in the fluid that move it around to distribute that heat more evenly.
Correct Answer: the distance travelled by a vehicle
Explanation:
The odometer or the odograph is an instrument used to indicate the distance travelled by the vehicle.
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: Gamma rays
Explanation:
Gamma rays has the shortest wavelength and radio waves has the longest wavelength.
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: Temperature
Explanation:
The primary agent of contact metamorphism is heat or temperature.
Correct Answer: Electric field
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