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- Question
Glass is made from the mixture of
Options- A. Sand and silicates
- B. Salt and Sand
- C. Salt and silicates
- D. None of the above
- Correct Answer
- Sand and silicates
- 1. 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
- 2. Two categories of laser printers are Discuss
- 3. Which vitamin is also called as H vitamin?
Options- A. Vitamin B7
- B. Vitamin B12
- C. Vitamin B3
- D. Vitamin B5 Discuss
- 4. 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
- 5. which of the following has the longest wavelength
Options- A. Infrared radiation
- B. ?-radiation
- C. Ultraviolet radiation
- D. Visible radiation Discuss
- 6. Time period of a seconds pendulum is
Options- A. 2 seconds
- B. 4 seconds
- C. 1 seconds
- D. 0 seconds Discuss
- 7. Water is more dense than cooking oil.
Options- A. TRUE
- B. FALSE Discuss
- 8. Which determines the frequency of a sound wave?
Options- A. Amplitude
- B. Speed
- C. Source
- D. Medium Discuss
- 9. The term photon refers to
Options- A. light ray
- B. sub atomic particle
- C. radiation
- D. None of the above Discuss
- 10. Low voltage cables are meant for use up to
Options- A. 3.3 kV
- B. 1.1kV
- C. 11 kV
- D. 0.5 kV Discuss
Physics problems
Search Results
Correct Answer: Discontinuous chips
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: 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: 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: Infrared radiation
Explanation:
Infrared radiation
Correct Answer: 2 seconds
Explanation:
A seconds pendulum is a pendulum whose period is precisely two seconds i.e, one second for a swing in one direction and one second for the return swing.
Correct Answer: TRUE
Explanation:
Yes, the given statement that water is more dense than cooking oil is TRUE as water more denser than oil it is sinked when it is poured in oil.
Correct Answer: Amplitude
Explanation:
The frequency of a sound wave is determined by the amplitude of the wave. As amplitude of the wave is high the frequency of the wave will also be high.
Correct Answer: sub atomic particle
Explanation:
The photon is a type of elementary particle, the quantum of the electromagnetic field including electromagnetic radiation such as light, and the force carrier for the electromagnetic force. The photon has zero rest mass and always moves at the speed of light within a vacuum.
Correct Answer: 1.1kV
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