The cost of turfing a rectangular field at 85 paise per square metre is 624.75. Find the perimeter and
area of the field if its sides are in the ratio 5: 3.
Answers
Answer:
SOLVE IT IF U CAN
Explanation:
Topic: mechanical properties of solids and sound.
Marks = 21 Physics Time = 60 min.
Attempt any seven
1. Define the following terms
i) Amplitude of the wave
ii) Period of the wave
iii) wavelength of the wave 3.
2. Define stress, strain and elastic limit 3.
3. Distinguish between transverse waves and longitudinal waves. 3.
4. Write a note on Young’s modulus of material of wire. 3.
5. State the laws of static friction. 3.
6. Write a note on bulk modulus of material of wire. 3.
7. Obtain the relation between wave speed, wavelength and period. 3.
What happens when waves pass from one medium to the other
Medium. 3.
8. State the laws of kinetic friction. 3.
9. Draw the graph of stress against strain to explain the behavior of wire
Subjected to increasing load. Define breaking stress. 3.
10. Distinguish between elastic bodies and plastic bodies. 3.