Explanation

Happy means خوش

Hapless means بے بس

Unlucky means بد قسمت

Lucky means خوش قسمت 

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Explanation

William Shakespeare wrote Romeo and Juliet, likely between 1591 and 1596.

This play is one of his most famous tragedies.

It is estimated to have been written around 1595.

Explanation

The blue colour of the sky is due to the scattering of light by the atmospheric particles.

Light of shorter wavelengths scatters more than the light of longer wavelengths and

the violet colour has a shorter wavelength, but our eyes are more sensitive to blue light. Hence, the colour of a clear sky is blue.

Explanation

Explanation

Explanation

Heat of reaction refers to the amount of heat released or absorbed during a chemical reaction.

If heat is released, the reaction is exothermic; if absorbed, it's endothermic.

Explanation

A simile is a figure of speech that directly compares two different things using words like “like” or “as.”

Example: "She is as brave as a lion." — compares bravery to a lion using "as".

Explanation

According to Newton's second law, 

F=ma, a constant non-zero force results in uniform acceleration of the mass.

Explanation

Honesty and integrity are fundamental components of ethical behavior, reflecting adherence to moral principles and truthfulness.

Explanation

The time rate of change of magnetic flux has the same dimensions as that of potential difference (or electromotive force - EMF).