| 1 |
The lowest pointof a wave is................ |
- A. Crest
- B. Amplitude
- C. Peak
- D. Trough
|
| 2 |
What type of wave does not need matter to travel through. |
- A. Mechaical
- B. Electromagnetic
- C. Sound
- D. Transverse
|
| 3 |
Which of the following features of a wave is the number of waves that pass by each second. |
- A. Loudness
- B. Amplitude
- C. Frequency
- D. Wave speed
|
| 4 |
Dolphins can hear sound underwater from up to ............ away |
- A. 15 km
- B. 20 km
- C. 25 km
- D. 30 km
|
| 5 |
Sound waves are not. |
- A. Compressional waves
- B. Transverse waves
- C. Mechnical waves
- D. Low frequency waves
|
| 6 |
Which of the following animals can respond to highest frquency. |
- A. Bat
- B. Cat
- C. Frog
- D. Dolphin
|
| 7 |
What is transferred by teh movement of waves. |
- A. matter
- B. energy
- C. both a and b
- D. None of these
|
| 8 |
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
|
| 9 |
------------ waves are produced in stretched string. |
- A. Longitudinal wave
- B. Elecromagnetic wave
- C. Transverse wave
- D. None of these
|
| 10 |
Which have audible range for 2 kHz and 110 kHz. |
- A. Human
- B. Owl
- C. Bat
- D. Dolphin
|
