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galben [10]
3 years ago
5

Which force is sometimes attractive and has an infinite range?

Physics
2 answers:
skad [1K]3 years ago
6 0

Answer:

C. gravitational

Explanation:

NARA [144]3 years ago
4 0

Answer:

c

Explanation:

edge

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A physics professor wants to perform a lecture demonstration of Young's double-slit experiment for her class using the 633-nm li
Alexeev081 [22]

Note: if the professor wants the distance between the m = 0 and m = 1 maxima to be 25 cm

Answer:

d = 1.0128×10⁻⁵m

Explanation:

given:

length L = 4.0m

maximum distance between m = 0 and m = 1 , y = 25cm = 0.25m

wavelength λ = 633nm = 633×10⁻⁹m

note:

dsinθ = mλ (constructive interference)

where d is slit seperation, θ is angle of seperation , m is order of interference , and λ is wavelength

for small angle

sinθ ≈ tanθ

d (\frac{y}{L})  = mλ

d (\frac{y}{L}) = (1)(633nm)

d(\frac{0.25}{4} ) = (1)(633nm)

d = 1.0128×10⁻⁵m

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3 years ago
the statement that current is equal to the voltage difference divided by the resistance is known as what
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3 years ago
A laser produces 20.0 mW of red light. In 1 hour, the laser emits 2.29 X 10^20 photons. What is the wavelength of the laser?
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Using Planck's equation,

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Also, Power = Energy / time
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