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3 years ago

Ved mirror 2. State the laws of reflection of light

Physics

1 answer:

patriot [66]3 years ago

3 0

It states that the angle of the incident light ray is equal to the angle of the reflected light ray.

Hope that helps

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Please help I literally don’t understand

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Answer:

A= 2

B=3

C=4

D=5

E=7

F=8

H=12

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3 years ago

What is a law which states energy cannot be created of destroyed only transferred

dlinn [17]

Answer:

The law of conservation of energy

Explanation:

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Please simplify and write the below paragraph.

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Field lines become straight and perpendicular because every point of circular loop the concentric circles become larger and larger as we move away from the wire.

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3 years ago

41. City A lies 30 km directly south of city B. A bus, beginning at city A travels 50 km at 37° north of east to reach city C. H

Nana76 [90]

Answer:

B) 40 km West

Explanation:

Let position of B is origin so with respect of City B the position of A is given as

$r_A = 30 km$ south of city B

now Bus starts from City A and travels a distance of 50 km at 37 degree North of East to reach city C

so it is

$r_{CA} = 50(cos37\hat i + sin37 \hat j)$

$r_{CA} = 40\hat i + 30\hat j$

now the position of C is given with respect to A

in order to find the position of C with respect to B we can say

$r_C = r_{CA} + r_A$

$r_C = 40\hat i + 30\hat j + (-30 \hat j)$

$r_C = 40 \hat i$

so in order to reach at city B from city C bus has to travel 40 km towards West

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3 years ago

Does the mass of an object dictate the acceleration of<br> a falling object

muminat

Answer:

No.

Explanation:

Because the acceleration of falling objects is constant and is not affected by mass

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