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3 years ago

What happens to a ray of light passing through the center of a lens?

Physics

2 answers:

Vlad [161]3 years ago

8 0

Answer:

A. It passes wthout any deviation

Explanation:

In real lenses the light does not go straight through, there is a refraction. But we can assume that that it passes without any deviation because the center of a lens is comparatively flat that the other points of the lens.

igomit [66]3 years ago

7 0

Answer:

A. It passes without any deviation.

Explanation:

For making ray diagram, following rules are followed:

A ray of light incident parallel to the principal axis converges or appears to diverge from focus.
An incident ray passing through the focus becomes parallel to the principal axis after passing through the lens.
A ray of passing through the center of a lens passes without deviation.

Thus, the correct option is A.

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A box rests on the back of a truck. The coefficient of friction between the box and the surface is 0.32. (3 marks) a. When the t

cricket20 [7]

Answer:

Part a)

here friction force will accelerate the box in forward direction

Part b)

a = 3.14 m/s/s

Explanation:

Part a)

When truck accelerates forward direction then the box placed on the truck will also move with the truck in same direction

Here if they both moves together with same acceleration then the force on the box is due to friction force between the box and the surface of the truck

So here friction force will accelerate the box in forward direction

Part b)

The maximum value of friction force on the box is known as limiting friction

it is given by the formula

$F = \mu mg$

so we have

$F = ma = \mu mg$

now the acceleration is given as

$a = \mu g$

$a = (0.32)(9.8) = 3.14 m/s^2$

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3 years ago

A light-year is a measurement of _____. a. time b. gravity c. energy d. distance

Evgen [1.6K]

D. distance

A light-year is the distance light would travel in 1 year.

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3 years ago

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Which statement describes the magnetic field inside a bar magnet? It points from north to south. It points from south to north.

Levart [38]

Inside the bar magnet, the magnetic field points from north to south. Statement A is correct.

Magnetic Field:

It is defined as a vector field or the influence of the magnet on the electric current, charges and ferromagnetic substance.

The strength of magnetic field is depends up on the numbers of magnetic field lines per unit area.

Magnetic field lines emerge from the North pole and end in the South pole of a bar magnet.

Inside the magnet are also present inside the bar magnet and never intersect at any point.

Therefore, inside the bar magnet, the magnetic field points from north to south.

To know more about Magnetic Field:

brainly.com/question/19542022

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3 years ago

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The climate of a location is affected by the presence of

Setler [38]

The climate of a location is affected by the presence of A Oceans.

There are some climates factors that might affect the temperature of a location, these factors are latitude and attitude as well as distance from waterly places such as oceans (ocean currents).
Places along the coasts would be prevented from extremes hot or cold climates.

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4 years ago

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(A star if you answer this question) A school bus is traveling at 11.1 m/s and has a

12345 [234]

$\mathfrak{\huge{\pink{\underline{\underline{AnSwEr:-}}}}}$

Actually Welcome to the Concept of the Kinematics in real world.

So, as given here, we have to find the Mass of the bus from the given momentum, so we get as,

P = m * V

momentum = mass * velocity

here, P= 152625 kgm/s and v= 11.1 m/s

so substituting we get as,

m = 152625 ÷ 11.1 => 13,750 kg

hence,the mass of the bus is 13,750 kg.

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3 years ago