Physics - MOST IMPORTANT Executive Operations & BD Previous Year Questions
Practice real questions from previous year exams of Executive Operations & BD.
📘 Work, Energy and Power📚 Work done under different cases
Q1
Work done can be ______.
I. zero
II. positive
III. Negative
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📘 Thermodynamics📚 Thermodynamic System- Open system, Closed System, Isolated System
Q2
In a ______ system, there is no exchange of matter, but exchange of energy is possible between system and the surrounding.
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📘 Wave📚 Electromagnetic wave- Infrared waves
Q3
What is the wavelength range of Infra-red waves?
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📘 Force and Motion📚 Newton's First Law of Motion
Q4
If the net external force on a body is zero, then its acceleration is ______.
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📘 Current Electricity📚 Misc
Q5
SI unit of inductive reactance is ______.
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📘 Atomic and Nuclear Physics📚 Atoms- Electrons, Protons, Neutrons
Q6
According to Neils Bohr, electron revolves around the nucleus only in those orbits for which the ______ is some integral multiple of h/2π where h is the Planck’s constant.
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