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yKpoI14uk [10]
3 years ago
5

Physics Question - Matching

Physics
2 answers:
KiRa [710]3 years ago
7 0
1) G

2) E

3) D

4) I

5) J

6) C

7) H

8) F

9) B

10) A

I think... i am not 100% sure....
Darina [25.2K]3 years ago
7 0

Answer:

1) A

2) G

3) D

4) I

5) J

6) C

7)F

8) E

9) H

10)B

Explanation:

Electron volt:

small unit of energy is known as electron Volt it is represented by eV

radiation:

energy and/or mass being ejected from a nucleus in the form of radiation.

Photon:

smallest amount of light  is known as photon.

X-ray

radiation emitted from decelerated electrons are known as X-ray

Planck's constant :

planck's Constant is denoted by h=6.63 x 10^-34 js

Photoelectric effect:

light shining on a metal surface causes electrons to be emitted from the surface this phenomena is known as photoelectric effect.

Uncertainty principle:

According to uncertainty principal exact position and momentum of microscopic particle cannot be determined simultaneously.

De Broglie wave:

wave associated with moving matter is known as De Broglie wave.

best model for light includes both the wave theory and quantum theory

Quanta:

Light travel in the form of packets of energy and each packet of energy is known as photon or quanta.

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Answer:

108 extended days

Explanation:

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No. of school days to make up by extending the  regular hours = 3 days

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\therefore x=\frac{18\times 60}{10}

x=108\,\,days are required to make up 3 days of school having 6 hours of regular timing with 10 minutes of add-on time each day.

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A steam engine absorbs 4 x 105 J and expels 3.5 x 105 J in each cycle. What is its efficiency?
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Input heat, Qin = 4 x 10⁵ J
Output heat, Qout = 3.5 x 10⁵ J

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W = Qin  -  Qout
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By definition, the efficiency is
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