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3 years ago

What are the basic si units for the wavelength of light?

Physics

1 answer:

noname [10]3 years ago

7 0

Answer:

Meter (m)

Explanation:

The wavelenght of a light wave is a measure of the distance between two successive crests (or two successive troughs) of a light wave.

Since the SI units for the distance is the meter (m), then the SI unit for the wavelength is also the meter (m).

Wavelength is related to the frequency of the light wave by:

$\lambda=\frac{c}{f}$

where

c is the speed of light

f is the frequency of the light

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Answer:

C. Reciprocity law

Explanation:

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This law pertains to the milliampere-seconds in the sense that all combinations of milliamperes and time that amount to an equal quantity will produce the same amount of radiographic density.

The answer is:

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3 years ago

A resistor and an ideal inductor are connected in series to an ideal battery having a constant terminal voltage V 0. (a) At the

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Answer:

the voltage across the resistor is V= 0

Explanation:

The correct answer is zero.

The answer is zero because the inductor acts as open circuit.

$i= i_0[1-e^{-\frac{t}{\tau} }]$

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3 years ago

A spring (k = 20 N/m) sits on a frictionless surface. The spring is compressed 20 cm and a 2 kg mass is placed before the spring

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Answer:

E.)none of the above

Explanation:

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v = 0.632 m/s

Time to travel 2.0 m:

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4 years ago

Two metal spheres are made of the same material and have the same diameter, but one is solid and the other is hollow. If their t

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Answer:

D) the two spheres remain of equal size.

Explanation:

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3 years ago

Suppose our apparatus will only allow us to distinguish the first order bright fringe from the central bright spot if they are s

ozzi

Answer:

λ = 8.716 mm

Explanation:

Given:

- d = 10 cm

- Q >= 5 degrees

Find:

- Find the shortest wavelength of light for which this apparatus is useful

Solution:

- The formula that relates the split difference and angle of separation between successive fringes is given by:

d*sin(Q) = n*λ

Where,

λ: wavelength

d: split separation

Q: angle of separation between successive fringes

m: order number.

- Since this apparatus only shows the first order light so m =1

- the shortest possible wavelength corresponds to:

d*sin(Q) = λ

λ = 0.1*sin(5)

λ = 8.716 mm

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3 years ago