CBSE 12 Physics Question Paper-2016 Set-1

What is the SI unit of the quality factor of resonance in a series LCR circuit?

How does the electric flux due to a point charge enclosed by a spherical Gaussian surface change when its radius is increased?

Why are microwaves considered suitable for radar systems used in aircraft navigation?

What is the underlying principle of a moving coil galvanometer?

State Brewster’s law.

What is attenuation in communication systems?

In de-Broglie wavelength vs 1/√V graph for particles with same charge but different mass, which particle corresponds to greater wavelength?

Two cells of emf 1.5V and 2.0V are connected in parallel with internal resistances 0.2Ω and 0.3Ω respectively. What is true about the equivalent emf?

What is the energy released when a nucleus with A=240 and BE/A=7.6 MeV breaks into two fragments of A=120 with BE/A=8.5 MeV?

In the fusion reaction ²H + ²H → ³He + n, what is the total energy released?

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