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- Question
Long Sightedness means
Options- A. near images are blurry
- B. far images are blurry
- C. Both A & B
- D. None of the above
- Correct Answer
- near images are blurry
- 1. Second and third class levers are differentiated by
Options- A. the location of the load
- B. the location of the fulcrum
- C. the presence of multiple loads
- D. the type of fulcrum present Discuss
- 2. Which elements are malleable and good conductors of electricity?
Options- A. tin and silver
- B. iodine and silver
- C. tin and xenon
- D. iodine and xenon Discuss
- 3. Magnetic domains normally occur in
Options- A. copper
- B. silver
- C. iron
- D. All of the above Discuss
- 4. In general, which is the cause of a land breeze?
Options- A. Pressure
- B. Heat
- C. Temperature
- D. None of the above Discuss
- 5. Which mirror is used as rear view mirror in vehicles?
Options- A. Concave
- B. Plane
- C. Convex
- D. Any of the above Discuss
- 6. Middle latitude cyclones are fueled by?
Options- A. air high in the atmosphere
- B. polar continental air masses
- C. energy from falling precipitation
- D. All of the above Discuss
- 7. Magnetic field lines about a current-carrying wire
Options- A. circle the wire in closed loops
- B. extend radially from the wire
- C. both of these
- D. None of the above Discuss
- 8. Where does hydroelectric energy come from?
Options- A. Air
- B. Water
- C. Solar
- D. All of the above Discuss
- 9. The GPS device in an automobile uses which communication channel?
Options- A. Satellite
- B. Microwave
- C. Radio frequency
- D. Infrared Discuss
- 10. The combined gas law relates which of the following?
Options- A. Volume & Temperature
- B. Temperature & Pressure
- C. Volume & Pressure
- D. Volume, Temperature & Pressure Discuss
Physics problems
Search Results
Correct Answer: the location of the load
Correct Answer: tin and silver
Explanation:
Tin and Silver are malleable and good conductors of electricity. The other combinations have a non metal in them which are bad conductors.
Correct Answer: iron
Explanation:
A magnetic domain is a region within a magnetic material in which the magnetization is in a uniform direction. This means that the individual magnetic moments of the atoms are aligned with one another and they point in the same direction.
Correct Answer: Temperature
Explanation:
The land breeze is a coastal breeze at night blowing from the land to the ocean. It is caused by the difference in the rates of cooling of the land and of the ocean. Once again, the bigger the difference in temperature between the two, the stronger the wind.
Correct Answer: Convex
Explanation:
Convex mirror is used as rear view mirror in vehicles. Because the image is smaller, more image can fit onto the mirror, so a convex mirror provides for a larger field of view than a plane mirror. This is why they are useful.
Correct Answer: air high in the atmosphere
Explanation:
Extratropical cyclones, sometimes called mid-latitude cyclones or wave cyclones, are low-pressure areas which, along with the anticyclones of high-pressure areas, drive the weather over much of the Earth.
Middle latitude cyclones are fueled by air high in the atmosphere.
Correct Answer: circle the wire in closed loops
Explanation:
Electric current produces a magnetic field. This magnetic field can be visualized as a pattern of circular field lines surrounding a wire.
Correct Answer: Water
Correct Answer: Satellite
Explanation:
All automobiles uses satellite communication channel for their GPS devices.
Correct Answer: Volume, Temperature & Pressure
Explanation:
The combined gas law states that the ratio between the pressure-volume product and the temperature of a system remains constant.
Hence it depends on all the three Volume, Temperature & Pressure.
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