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9th Chapter

### 7th Science Urdu Medium Chapter 9 Test

Here you can prepare 7th Science Urdu Medium Chapter 9 Test. Click the button for 7th Science Urdu Medium Chapter 9 100% free full practice test.

## 7th Class Science Chapter 9 MCQ Test With Answer for Science chapter 9

7th Class Science Chapter 9 Online Test

### 7th Class Science Chapter 9 MCQ Test With Answer for Science chapter 9

1 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
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 Wave are of .............. types.
• A. Two
• B. Three
• C. Four
• D. Five
4 Speed of sound in water is
• A. 1000 ms-1
• B. 1500 ms-1
• C. 900 ms-1
• D. 2000 ms-1
5 Which of the following animals can respond to lowest frequency.
• A. Cat
• B. Cow
• C. Dog
• D. Dolphin
6 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
7 The speed of sound in air is.
• A. 100 m/s
• B. 300 m/s
• C. 100 m/s
• D. 330 m/s
8 Which of the following animals can respond to highest frquency.
• A. Bat
• B. Cat
• C. Frog
• D. Dolphin
9 ------------ waves are produced in stretched string.
• A. Longitudinal wave
• B. Elecromagnetic wave
• C. Transverse wave
• D. None of these
10 What is transferred by teh movement of waves.
• A. matter
• B. energy
• C. both a and b
• D. None of these

### Top Scorers of Science 7th Class Urdu Medium Chapter 9 Online Test

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#### Ali Hassan

Lahore11 - Mar - 2024

14/20
02 Mins 23 Sec

### Chapterwise Lists

Chapter Name Questions PDF File
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