Answer:
a) The wavelength of light is 6×10^-7 m.
b) The size of the central peak is 6×10^-3 m.
Explanation:
let:
α be the distance between the 1st and 2nd maxima
d = 0.4 mm be the grating slit space
X be the distance to the screen
a) α = λ×X/d
λ = α×d/X
= (0.3×10^-2)×(0.4×10^-3)/(2)
= 6×10^-7 m
Therefore, the wavelength of light is 6×10^-7 m.
b) the size of the central peak is given by:
D = 2×λ×X/d
= 2×(6×10^-7)×(2)/(0.4×10^-3)
= 6×10^-3 m
Therefore, the size of the central peak is 6×10^-3 m.
Nonononononononononononononononononono
Answer:
The answer is 1200 Kg
Explanation:
<h3><u>Given</u>;</h3>
<h3>
<u>To </u><u>Find</u>;</h3>
<h3><u>Formula</u>;</h3>
- W = m × g
- where, W = weight
- m = mass,
- g = Acceleration due to gravity = 10 m/s²
Now,
W = mg
12000 = m ÷ 10
m = 12000 ÷ 10
m = 1200 kg
Thus, The mass of car is 1200 kg or 1.2k Kg.
<u>-TheUnknownScientist 72</u>
Answer:
They can expect the size of the rocks to get smaller as the time passes.
Explanation:
They can expect the size of the rocks to get smaller as the time passes.
- This is so because the water falling from certain height under waterfall will exert mechanical impact on the rock due to the mass of the water. This will act as water hammer <em>causing wear and tear</em> to the rock particles and flowing them away with the stream of water.
- This hydraulic shock is generated when there is sudden stoppage in the motion of water. In sync with Newton's second law of motion, when the momentum of water is changed within a short course of time it creates a hammer like impact which has potential of wear and tear when an object is continuously subjected to it.
