NEW TRUST SCIENCE ACADEMY
 Physics 9th
Phase-1Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â unit 8
Name: ______________Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Date:____________________
Q: 1. Tick the correct answer.
- In which of the following state molecule do not leave their position?
- Solid liquid               c. gas                    d. plasma
- What should be the approximate length of a glass tube to construct a water barometer?
- .5m               1m                    c. 2.5m                 d. 11m
- Which of the substance is the lightest one?
- Copper            mercury         c. lead                  d. aluminum
- Density of lead is
- 11200 kgm-3Â Â Â Â Â Â 13600 kgm-3 Â Â Â Â Â Â Â c. 8900 kgm-3 Â Â Â Â Â d. 19300 kgm-3
- 1 litter is equal to
- 10-3m3Â Â Â Â Â Â Â Â Â 10-6m3Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â c. 10-3gcm3Â Â Â Â Â Â Â Â Â Â d. none
Q: 2. Short questions
- How does the fourth state of matter form?
- What is elastic limit?
- What is deforming force?
- What is tensile strain?
- Define Hook’s law also write its formula.
Q: 3. Long questions
- Explain Archimedes principle.
A wooden cube of sides 10cm each has been dipped completely in water. Calculate the upthurst of water acting on it.
best of luck…!
