| 1 |
Which of the following animals can respond to highest frquency. |
- A. Bat
- B. Cat
- C. Frog
- D. Dolphin
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| 2 |
An object produce a sound with a frequency of 50 Hz. Find its tiem period. |
- A. 0.01 sec
- B. 0.03 sec
- C. 0.02 sec
- D. 0.04 sec
|
| 3 |
What is transferred by teh movement of waves. |
- A. matter
- B. energy
- C. both a and b
- D. None of these
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| 4 |
Sound is a form of. |
- A. Energy
- B. Wave
- C. Frequency
- D. intensity
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| 5 |
Sound waves are not. |
- A. Compressional waves
- B. Transverse waves
- C. Mechnical waves
- D. Low frequency waves
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| 6 |
Which have audible range for 2 kHz and 110 kHz. |
- A. Human
- B. Owl
- C. Bat
- D. Dolphin
|
| 7 |
What type of wave does not need matter to travel through. |
- A. Mechaical
- B. Electromagnetic
- C. Sound
- D. Transverse
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| 8 |
Which of the following features is the height of the wave from the rest position or mid line. |
- A. Frequency
- B. Wavelength
- C. Amplitude
- D. Pitch
|
| 9 |
The wavelength of red colour is. |
- A. 700 nm
- B. 800 nm
- C. 900 nm
- D. 600 nm
|
| 10 |
Wave are of .............. types. |
- A. Two
- B. Three
- C. Four
- D. Five
|