Question

III.FILL IN THE BLANKS ... ​

Answer 1

Answer:

Hey Mate here is your answer

• Momentum=Mass ×velocity.
• FBD means Free body diagram
• refractive index=speed of light/phase velocity of light
• acceleration= change in velocity/ time
• refractive index of air is 1.003

Explanation:

Hope this helps you.

Mark the answer as brainliest.

Answer 2

REQUIRED ANSWER :

Momentum = mass × velocity.

Expand FBD = Free body diagram.

Refractive index = Speed of light/phase velocity of light.

Acceleration = ∆V/∆t.

Refractive index of Air is 1.00029.

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EXTRA INFORMATION :

• Momentum : The mass that is in motion is known as momentum.

• FBD : FBD means a free body diagram.

• Refractive index : The ratio of a speed of the light in a vaccum to its velocity in any medium is known as refractive index.

• Acceleration : The change in velocity of an object with respect to time is known as acceleration.