Physics-
General
Easy
Question
One mole of an ideal diatomic gas is taken through the cycle as shown in the figure. 1 
2 : isochoric process 2 3 : straight line on P-V diagram 3 1 : isobaric process The average molecular speed of the gas in the states 1, 2 and 3 are in the ratio
- 1 : 2 : 2
- 1 : 1 : 1
- 1 : 2 : 4
The correct answer is: 1 : 2 : 2
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A line from (–1, 0) intersects the parabola 
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If 
has
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is
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Assertion (A) : In all atoms, the number of protons, electrons and neutrons must be equal.
Reason (R) : The mass of an electron is negligible when compared to that of a neutron.
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Chemistry-General
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The central part of the atom is called nucleus. Nucleus contains protons and neutrons. The nucleus is positively charged due to the presence of positively charged protons in it. The electrons are outside the nucleus and have negligible mass. The electrons revolve rapidly round the nucleus in fixed circular paths called “Shells” (or) “Orbits” (or) “Energy Levels”. The neutrons present inside the nucleus possess no charge.
The path in which electrons revolve is called....
The central part of the atom is called nucleus. Nucleus contains protons and neutrons. The nucleus is positively charged due to the presence of positively charged protons in it. The electrons are outside the nucleus and have negligible mass. The electrons revolve rapidly round the nucleus in fixed circular paths called “Shells” (or) “Orbits” (or) “Energy Levels”. The neutrons present inside the nucleus possess no charge.
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is ...............................
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The absolute charge of the electron is....
Chemistry-General
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Which of the following is a tetraatomic molecule ?
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Chemistry-General
Chemistry-
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Matter is made up of extremely small particles called .....................
Chemistry-General
