Physics-
General
Easy
Question
The load versus elongation graph for four wires of the same material is shown in the figure. The thinnest wire is represented by the line
- OB
- OA
- OD
- OC
The correct answer is: OA
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In the figure shown if the object ‘O’ moves towards the plane mirror, then the image I (which is formed after successive reflections from M1 & M2 respectively) will move:
In the figure shown if the object ‘O’ moves towards the plane mirror, then the image I (which is formed after successive reflections from M1 & M2 respectively) will move:
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A uniform ring is rotating about vertical axis with angular velocity 
initially. A point insect (S) having the same mass as that of the ring starts walking from the lowest point P1 and finally reaches the point P2 (as shown in figure). The final angular velocity of the ring will be equal to
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The P-V graph of two different samples having masses m1 and m2 of a gas for isothermal processes are shown in figure at temperatures T1 and T2 respectively
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When objects at different distances are seen by the eye, which of the following remain constant?
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The energy of a tungsten atom with a vacancy in L shell is 11.3 KeV. Wavelength of 
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The energy of a tungsten atom with a vacancy in L shell is 11.3 KeV. Wavelength of photon for tungsten is 21.3 pm. If a potential difference of 62 KV is applied across the x-rays tube following characteristic x-rays will be produced.
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The figure shows a graph between 
and ln | n |, where An is the area enclosed by the nth orbit in a hydrogen like atom. The correct curve is :
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A resistance & ideal inductor is connected in the A.C. circuit. Here 
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The A.C. circuit shown in figure. Find the frequency (
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The A.C. circuit shown in figure. Find the frequency () of the AC voltage source so that current through the source will be in same phase as of voltage of source.
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In the figure the reading of voltmeter is
In the figure the reading of voltmeter is
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In the figure, if 
?
In the figure, if ?
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A block of mass ‘m’ is attached to a spring in natural length of spring constant ‘k’. The other end A of the spring is moved with a constant velocity v away from the block. Find the maximum extension in the spring
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The switch in the circuit pictured is in position a for a long time. At t = 0 the switch is moved from a to b. The current through the inductor will reach its first maximum after moving the switch in a time:
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physics-General
