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- Question
The safest hammers are those with heads that are
Options- A. cast steel and chiseled
- B. alloy and drop-forged steel
- C. welded and alloyed
- D. chiseled and drop forged
- Correct Answer
- alloy and drop-forged steel
- 1. The rate at which energy is transferred is called
Options- A. Power
- B. Watt
- C. Volt
- D. Potential Discuss
- 2. Which color has the highest energy?
Options- A. Violet
- B. Red
- C. Blue
- D. White Discuss
- 3. Which is evidence that supports the dynamo theory?
Options- A. Earth's outer core contains liquid that conducts electricity
- B. Earth's core contains a large amount of iron
- C. Granite and basalt conduct electricity
- D. Convection occurs in Earth's inner core Discuss
- 4. The combined gas law relates which of the following?
Options- A. Volume & Temperature
- B. Temperature & Pressure
- C. Volume & Pressure
- D. Volume, Temperature & Pressure Discuss
- 5. The GPS device in an automobile uses which communication channel?
Options- A. Satellite
- B. Microwave
- C. Radio frequency
- D. Infrared Discuss
- 6. which of the following has the longest wavelength
Options- A. Infrared radiation
- B. ?-radiation
- C. Ultraviolet radiation
- D. Visible radiation Discuss
- 7. Echolocation is an adaptation bats use to
Options- A. locate flowering plants
- B. hunt insects in flight
- C. find warm places for hibernation
- D. All of the above Discuss
- 8. Which vitamin is also called as H vitamin?
Options- A. Vitamin B7
- B. Vitamin B12
- C. Vitamin B3
- D. Vitamin B5 Discuss
- 9. Two categories of laser printers are Discuss
- 10. Cast iron during machining produces
Options- A. Discontinuous chips
- B. Continuous chips with build up edge
- C. Continuous chips
- D. All of the above Discuss
Physics problems
Search Results
Correct Answer: Power
Explanation:
Energy can be transferred from one system to the other. The rate at which energy is transferred from one system to other system is called POWER. Energy transferred in one second is called a watt.
Correct Answer: Violet
Explanation:
Violet colour has the highest energy. The higher the frequency, the faster the oscillations and thus the higher the energy. Therefore, the highest-frequency ultra-violet light or the lowest wavelength is violet.
Correct Answer: Earth's core contains a large amount of iron
Explanation:
In physics, the dynamo theory proposes a mechanism by which a celestial body such as Earth or a star generates a magnetic field.
Earth's crust core contains a large amount of iron and nickel is the evidence of the dynamo theory.
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.
Correct Answer: Satellite
Explanation:
All automobiles uses satellite communication channel for their GPS devices.
Correct Answer: Infrared radiation
Explanation:
Infrared radiation
Correct Answer: All of the above
Explanation:
Echolocation is an adaptation bats use to hunt insects in flight, locate flowering plants and find warm places for hibernation.
Correct Answer: Vitamin B7
Explanation:
Biotin is a water-soluble B vitamin, also called vitamin B7 and formerly known as vitamin H or coenzyme R.
Correct Answer: There are two types of printers we use They are * Laser Printers and * Inkjet Printers And again Laser printers are of two categories They are :: 1 Personal laser printers and 2 Office laser printers
Correct Answer: Discontinuous chips
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