Explanation:
Take shelter in a hard wall building
Close doors and windows cut off ventilation
Can cause a chemacal reaction
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Answer:

Explanation:
Given that,
The wavelength of a microwave is 7.42 mm or 0.00742 m
No. of photons, n = 359
We need to find the energy produced by this no of photons. It can be given by the formula as follows :

or

So, the required energy is
.
Answer:
D
Explanation:
This creates a gap that we call an oceanic trench
:)
Answer: Proton will have larger wavelength
Explanation:
(de-Broglie's equation)

h= Planck constant
m= mass of the particle
v= velocity of the particle
As we can see from the de-Broglie's equation , that wavelength is inversely proportional to the product of mass into velocity of the object.
The wavelength of proton will be higher than that fast moving golf ball because mass of proton
is very small than that of the golf ball (45.93 g). Proton is moving at slow velocity and the golf ball is moving with fast velocity by which value of product of mass into velocity of proton will be lower than the value of product of mass into velocity of the golf ball which will result in larger value of wavelength of the proton.