List of top Physics Questions asked in SRMJEEE

Constantan wire is used for making standard resistance, because it has

Electron belongs to the family of

Calculate the Reynold’s number for a liquid of density 1 g/cm3, viscosity 8 x 10-4 Pa.s flowing at 0.5 m/s through a pipe of diameter 4 cm?

The phase difference between the current and voltage of LCR circuit in series combination at resonance is
In the equation AB = C, A is the current density, C is the electric field, Then B is
An ideal diode presents a(n)______ when reversed-biased and a(n) __________ when forward-biased.
Three charges -q, Q and -q are placed in a straight line maintaining equal distance from each other. What should be the ratio \(\frac{q}{Q}\) so that net electric potential of the system is zero?
What is the net charge if a certain semiconductor losses 4 valence electrons?
The density of O2 is 16 at NTP. At what temperature its density will be 14?consider that the pressure remain the constant at
In a flask of 'V' litres, 0.2 moles of O2, 0.4 moles of N2, 0.1 moles of NH3 and 0.3 moles of He gases are present at 27oC. If total pressure exerted by these non-reaching gases is 1 atm, the partial pressure exerted by N2 gas is
Connecting a lead from the negative to the positive of a battery will produce
The most widely used rectifier is
Which of the following transitions in hydrogen atoms emit photons of highest frequency?
When boron \(_{5}B^{10}\) is bombarded by neutron, alpha particles are emitted. The resulting nucleus has the mass number.
A piece of an ancient wooden boat shows an activity of C14 of 3.9 disintegrations per minute per gm of carbon. Estimate the age of the boat, if the half life of C14 is 5.568 years. Assume that the activity of fresh carbon -14 is 15.6 dpm.gm
X-rays of wavelength 1.14 A in the first order reflection from a crystal, were reflected at an angle of 30o.
The inter planar distance in the crystal is (Sin 30ois 0.5)
Weak nuclear forces act on
If ionising energy of H atom is 13.6eV, then the second ionising energy of He should be
An electron in Bohr's hydrogen atom has an energy of -3.4 eV. The angular momentum of the electron is:
The ratio of the radii of the nuclei \(_{13}Al^{27}\) and \(_{52}Te^{125}\) is approximately
A pair of coil has a mutual inductance of 2 H, if the current in the primary changes from 10 A to zero in 0.1 S, the induced emf in the secondary will be
The frequency of the charged particle circular at right angles to a uniform magnetic field does not depend upon the
The unit of relative permittivity is
Radiation of two photons having energies twice and five times the work function of a metal are incident successively on the metal surface.Find out the ratio of maximum velocity of photo electrons emitted in the two cases.
What determines the charge that flows through a circuit due to the induced emf?