Physics Short Notes NEET
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ℙ𝕝𝕒𝕟𝕔𝕜'𝕤 ℚ𝕦𝕒𝕟𝕥𝕦𝕞 𝕋𝕙𝕖𝕠𝕣𝕪
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❖ Substances that absorb or emit light discontinuously in the form of small packets or bundles.

❖ The smallest packet of energy is called quantum (plural quanta).

❖ The radiation is propagated in the form of waves.

❖ The energy of a quantum is directly proportional to the frequency of the radiation

            E ∝ v
            E = hv
            E = (hc)/ λ =hc v

Where E = Energy of radiation
             h = Planck's constant
                = 6.626 * 10^-27 * erg .sec
                = 6.626 * 10^-34 Joule.sec

❖ A body that can absorb or emit energy in whole number multiple of quantum.

            E = nhv

Where n = 1, 2, 3, 4

❖ The frequency of emitted radiation goes from lower to higher as the temperature increases.
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🔹 Gravitation
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Heat Energy Best Notes
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✅CURRENT ELECTRICITY & CAPACITORS FORMULA SHEET SHORT NOTES✅
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Physics short notes 🖤
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ℙ𝕝𝕒𝕟𝕔𝕜'𝕤 ℚ𝕦𝕒𝕟𝕥𝕦𝕞 𝕋𝕙𝕖𝕠𝕣𝕪
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❖ Substances that absorb or emit light discontinuously in the form of small packets or bundles.

❖ The smallest packet of energy is called quantum (plural quanta).

❖ The radiation is propagated in the form of waves.

❖ The energy of a quantum is directly proportional to the frequency of the radiation

E ∝ v
E = hv
E = (hc)/ λ =hc v

Where E = Energy of radiation
h = Planck's constant
= 6.626 * 10^-27 * erg .sec
= 6.626 * 10^-34 Joule.sec

❖ A body that can absorb or emit energy in whole number multiple of quantum.

E = nhv

Where n = 1, 2, 3, 4

❖ The frequency of emitted radiation goes from lower to higher as the temperature increases.
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KEY NOTE

❖ Electric field at every point is normal to the equipotential
surface passing through that point.

❖ No work is required to move a test charge on unequipotential
surface.

❖ The electric force is conservative in nature.

❖ Coulomb force is central.

❖ In general, any non-conducting material can be called as a dielectric but broadly non-conducting material having non-polar molecules are referred to as dielectric.
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