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12345 [234]
3 years ago
8

How does a mirror affect the path of light? Question 11 options:

Physics
2 answers:
Phoenix [80]3 years ago
5 0
The correct answer is option C. <span>All objects reflect some light. If the object is in front of a mirror, the mirror reflects the light back toward the object, and an image is formed by the reflected rays.</span>The mirror reflects light and does not absorb. Reflection can be specular or diffused.
grin007 [14]3 years ago
4 0
I agree, go with the letter C

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Identify which objects will accelerate to the left, which will accelerate to the right,and those that will not accelerate. Optio
Licemer1 [7]

Answer:

The situation given in option A and B are examples for moving an object toward left side while the option C and option D are examples for moving an object toward right side. Option B will also be an example for not moving the object.

Explanation:

As per the option A statement, the force acting towards left is greater than the force acting toward right side. So the net force will be towards the direction having maximum magnitude. Thus, the box will move toward left side in option A. The same situation arises for the object in option B. But here the difference in the forces is only 1 N, so the change in the position of the object will be very less. Thus it may look like there is no acceleration in the box of option B.

Similarly, the force acting on the objects given in option C and D have magnitude greater towards the right side than towards the left side.  So these two will be accelerated toward the right side.

3 0
4 years ago
What is the resistance of a 3.5m copper wire that has a cross-sectional area of 5.26 x 10-6 m2?
mestny [16]

R=ρ\frac{L}{A}

Where, R is resistance

ρ is resistivity,

L is length and

A is cross sectional area

Given, L= 3.5m

A=5.26 x 10⁻⁶ m²

ρ=1.68×10⁻⁸ ohms m

∴ R= \frac{(1.68)(3.5)}{5.26*100}

⇒ R=1.11×10⁻² ohms


3 0
3 years ago
Read 2 more answers
What is the unit and tool to measure the volume of a plastic block?
Marina CMI [18]
Unit is m^3 or metres cubed. You need to multiply the three dimensions of the block to get the volume.
A ruler can be used to measure the edges.
8 0
4 years ago
A simple pendulum has a bob of mass M. The bob is on a light string of length . The string is fixed at C. At position A, the str
Vlad [161]

Answer:

v=\sqrt{2gL}

Explanation:

mass of bob = M

string is fixed at C, at position A the string is horizontal and at position B teh string is vertical.

Let the length of the string is L.

At the point C, it has maximum potential energy which is equal to

U = M x g x L   ..... (1)

At the position B, it has maximum kinetic energy and the velocity is v.

K = 1/2 Mv²     ...... (2)

According to the conservation of energy

The potential energy at the position A is equal to the kinetic energy at position B.

M x g x L = 1/2 M x v²

v² = 2 x g x L

v=\sqrt{2gL}

6 0
3 years ago
Read 2 more answers
Gas A is composed of diatomic molecules (two atoms to a molecule) of a pure element. Gas B is composed of monoatomic molecules (
dem82 [27]
Because of the number of atoms they vary
4 0
3 years ago
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