Physics Test 15...

Truth table for function X is given by:

Student x, y and z measure length of a ground using 50m long measuring tape of least count 0.3cm, meter scale of LC 0.1cm and foot scale of LC 0.02cm respectively. If specified length of ground is 17.5m, then lowest relative error is reported by student:

Voltage across resistance (V_R) versus frequency graph of LCR circuit is shown. The bandwidth of circuit is:

Instead of angular momentum, a physicist assume that energy of n^th orbit is quantized as  (E₀ > 0) and n is positive integer. Which of following is correct ?

{Consider H-like atom}

A Rod of cross section area (A) uniform and length ℓ is carrying a constant current i and a voltmeter is connected. Rod is stretched by applying external force F on either side. Graph of voltmeter reading v/s strain in Rod will be (assume the strain developed is small)

Choose the correct option:

A metallic ring of radius r and resistance R is held fixed with its axis along a uniform magnetic field in space whose magnitude is varying with time as B₀sin(ωt). Neglect gravity, then

A compound microscope of tube length 200mm, magnifying power 400 has objective of focal length 10mm. The focal length of eye-piece will be (under normal adjustment)

In YDSE, light of wave length 500nm and distance between slit and screen is 1.5m, the interference pattern on screen disappear when separation between the slits is 4mm. The angular resolution of the observer eye is (in degrees)

Figure shows zener diode (Breakdown of 40v), connected to 50v DC supply with load resistance R_L = 4kΩ. The output voltage across R_L is