.
a phenomenon whereby the moon appears bluish owing to smoke or dust particles in the atmosphere
Answer:
b) 0.1 mm
Explanation:
Given that
E= 1 x 10¹⁰ N/m²
F= 4 N
d= 0.5 mm
L = 60 mm
We know that elongation due to force F given as
ΔL = 0.12 mm
Therefore the answer is -
b) 0.1 mm
This means it has TWO poles
The 2 poles are NORTH and SOUTH
Answer:
A heat engine is a device that converts internal energy into work. Internal energy is increased by the addition of heat. The efficiency of a heat engine is a measurement of how efficiently it works. Efficiency compares the amount of useful energy extracted from a process to the total energy input. The heat engine will be more efficient if the percentage is higher.
Explanation:
