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alex41 [277]
3 years ago
14

Why do plane mirrors and convex mirrors form only virtual images?

Physics
2 answers:
Alekssandra [29.7K]3 years ago
7 0
<span>B. because they cannot make light rays converge</span>
abruzzese [7]3 years ago
6 0

Answer:

B. because they cannot make light rays converge

Explanation:

When parallel beam of light incident of the plane mirror or convex mirror then light rays are reflected by the surface of mirror in such a way that it will not meet at any point of after the reflection.

So here the converging point of light rays are virtual point and hence we will say that its focal length is virtual focal length.

So here correct answer would be

B. because they cannot make light rays converge

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If the charge on the negative plate of the capacitor is 121 nano-Coulomb, how many excess electrons are on that plate? Write you
Julli [10]

Answer:

n = 756.25 giga electrons

Explanation:

It is given that,

If the charge on the negative plate of the capacitor, Q=121\ nC=121\times 10^{-9}\ C

Let n is the number of excess electrons are on that plate. Using the quantization of charges, the total charge on the negative plate is given by :

Q=ne

e is the charge on electron

n=\dfrac{Q}{e}

n=\dfrac{121\times 10^{-9}}{1.6\times 10^{-19}}

n=7.5625\times 10^{11}

or

n = 756.25 giga electrons

So, there are 756.25 giga electrons are on the plate. Hence, this is the required solution.

6 0
3 years ago
Do mechanical waves transfer light energy?
Gekata [30.6K]
B ... A ... A ... B .
7 0
3 years ago
Nuclear Size and Mass. The radii of most nuclei is given by the equation: R = R. 0. A1/3. R: radius of the nucleus, A: mass numb
mina [271]
Answer:

sssss

Explanation:

Hope this helps you
3 0
3 years ago
The forces that hold different atoms or ions together are
denis23 [38]

Answer:

Chemical bonds

Explanation:

The chemical bonds hold the different type atoms or ions together.

The type of chemical bonds :

1. Ionic bond  ;

 Ions or atoms changes the electron and form ionic bond.Those atoms gains the electron gets negative charge and those atoms donate the electron gets positive charge.

2.Covalent bond :

  In this type of bond atoms share the electrons and form covalent bonds.

3. Metallic bond :

This type of bond are present in the metals.In this atoms are used free electrons to form bonds.

Therefore answer is --

Chemical bonds

 

7 0
3 years ago
Can someone please help me with science.
kherson [118]

Answer:

Yes

Explanation:

5 0
3 years ago
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