Considering semiconductor doping, what is 'M' in the acronym 'PPM'? अर्धचालक डोपिंग को ध्यान में रखते हुए, संक्षिप्त नाम 'PPM' में 'M' क्या है?

Two pipes can fill a tank in 20 hrs and 30 hrs respectively. If both the pipes are opened, then in how much time the tank will be filled ?

How long does it take to cross 132meters long bridge by a 110 meters long train running at a speed of 72 km?

नारी को कौन-सी संज्ञा दी गई थी ।

The energies E₁ and E₂ of the two radiations are 25eV and 50eV respectively. The relation between their wavelengths i.e. λ₁ and λ₂ will be….

Who came up with the idea known as 'Human capital Theory Approach? ‘‘ह्यूमन कैपिटल थ्योरी एप्रोच’’ के रूप में जाना जाने वाला विचार कौन लेके आया था?

The Ratio of the volume of voids to the volume of soil mass is called as

Q: .

Correct Answer: Option B -

Explanations:

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