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Kruka [31]
2 years ago
9

When light passes into a lower index medium it will be deviated away from the normal. True or false

Physics
1 answer:
V125BC [204]2 years ago
7 0

Answer:

\huge\underline\color{purple}{Answer ☘}

Refraction is the bending of light (it also happens with sound, water and other waves) as it passes from one transparent substance into another.

Light refracts whenever it travels at an angle into a substance with a different refractive index (optical density).

<h3><em>when </em><em>a </em><em>light </em><em>ray </em><em>goes </em><em>from </em><em>a </em><em>medium </em><em>with </em><em>higher </em><em>refractive </em><em>index </em><em>to </em><em>a </em><em>medium </em><em>with </em><em>lower </em><em>refractive </em><em>index.</em><em>.</em><em> </em><em>it </em><em>gets </em><em>deviated </em><em>from </em><em>the </em><em>normal.</em></h3>

<h2><em>hence.</em><em>.</em><em>.</em><em> </em><em>the </em><em>statement</em><em> </em><em>is </em><em>true.</em><em>.</em><em>.</em></h2>

hope helpful~

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When blue light of wavelength 470 falls on a single slit, the first dark bands on either side of center are separated by 45.0. d
enyata [817]
For Fraunhofer diffraction at a single slit would be represented by: 

<span>a sinθ = mλ 

</span><span>It should be noted that the angle needs be halved because we are only concerned with the angle between m=1 and m=0 and they gave you the angle between m=1 to the right of the center and m=1 on the left of the center. We calculate as follows:
</span>
<span>a sin(45/2)=(1)(470)
a = 1228 nm 

Hope this answers the question. Have a nice day.
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3 0
4 years ago
How does electric circuit wor
zaharov [31]
Electricity passes through it
4 0
4 years ago
Oil having a density of 930 kg/m^3 floats on
Zolol [24]

Answer:

0.0268 m

Explanation:

Draw a free body diagram of the block.  There are three forces: weight force mg pulling down, buoyancy of the oil B₁ pushing up, and buoyancy of the water B₂ pushing up.

Sum of forces in the y direction:

∑F = ma

B₁ + B₂ − mg = 0

ρ₁V₁g + ρ₂V₂g − mg = 0

ρ₁V₁ + ρ₂V₂ = m

ρ₁V₁ + ρ₂V₂ = ρV

ρ₁Ah₁ + ρ₂Ah₂ = ρAh

ρ₁h₁ + ρ₂h₂ = ρh

(930 kg/m³)h₁ + (1000 kg/m³)h₂ = (968 kg/m³) (4.93 cm)

Since the block is fully submerged, h₁ + h₂ = 4.93 cm.

(930 kg/m³) (4.93 cm − h₂) + (1000 kg/m³)h₂ = (968 kg/m³) (4.93 cm)

h₂ = 2.68 cm

h₂ = 0.0268 m

4 0
3 years ago
At 20 degrees Celsius, conducting wires made of different materials have the same length and the same diameter. Which wire has t
DENIUS [597]

Answer:

Aluminium

Explanation:

Aluminium has the least resistance since It has 3 free electrons per atom. Its resistivity is low compared to other metals provided in the choices (gold, nichrome, tungsten). Low resistivity of metals means a high conductance of the metal referred to.

7 0
4 years ago
Two drag cars race. They line up at the starting line at rest. The winning car accelerates at a constant rate a and reaches the
Mila [183]

Answer:d=\frac{v^2}{8a}

Explanation:

Given

winning car accelerates with a and its final velocity is v

considering they both start from rest

time taken by winning car is

v=u+at

where u=initial velocity

a=acceleration

t=time

v=at

t=\frac{v}{a}

Now loosing car is accelerating with \frac{a}{4}

Distance traveled by loosing car in time t

s_1=ut+\frac{at^2}{2\cdot 4}

s_1=0+\frac{a}{8}\times (\frac{v}{a})^2

s_1=\frac{v^2}{8a}

Thus distance d traveled by loosing car is given by d=\frac{v^2}{8a}

5 0
4 years ago
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