List of top Physics Questions asked in OJEE

Sphygmomanometer is an instrument used to record

$ C_v $ for $O_2 $ is $\frac{ 5}{2} $ R with increase in temperature it becomes $ \frac{ 7}{2} $ R due to a

Average velocity of an ideal gas molecule is

Application of a forward bias to a p-n junction

The resistance of a wire is 24$O$. lt is so stretched that the length becomes four times, then the new resistance of wire will be

The figure shows graphs of pressure versus density for an ideal gas at two temperatures $T_1$ and $ T_2$, then

When white light passes through a glass prism, one gets spectrum on the other side of the prism. In the emergent beam, the ray which is deviating least is

Three electric bulbs of $200\, W, 200 \,W$ and $400\, W$ are shown in figure. The resultant power of the combination is

Two charged spheres of radii $R_1 \, and \, R_2$ have equal surface charge density. The ratio of their potential is

Sharp peak point $A$ represents

Number of neutrons in $C^{12}$ and $ C^{14} \, are $

The temperature of a body is increased from $-73^{\circ}\,C$ to $327\,^{\circ}\,C$. Then the ratio of emissive power is

Two identical cells each of emf E and internal resistance r are connected in parallel with an external resistance R. To get maximum power developed across R, the value of R is

In a closed organ pipe, the first resonance occurs at $50\, cm$. At what length of pipe, the second resonance will occur?

Which shows radioactivity?

An object is placed at a distance of $40\, cm$ in front of a concave mirror of focal length $20\, cm$. The nature of image is

If 'muscle times speed equals power' what is the ratio of the $SI$ unit and the $CGS$ unit of muscle?