List of top Physics Questions asked in SRMJEEE

Three wires of equal lengths are bent in the form of loops. One of the loops is a circle, another is a semi-circle and the third one is a square. They are placed in a uniform magnetic field and the same electric current is passed through them. Which of the following loop configuration will experience greater torque?
Three capacitances 3\(\mu\)F, 9\(\mu\)F, and 18\(\mu\)F are connected once in series and then in parallel. The ratio of equivalent Cs/Cр will be:
The phase difference between the current and voltage of LCR circuit in series combination at resonance is
The horizontal component of the earth’s magnetic field can be represented as
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?
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
The density of O2 is 16 at NTP. At what temperature its density will be 14?consider that the pressure remain the constant at
What is the net charge if a certain semiconductor losses 4 valence electrons?
Connecting a lead from the negative to the positive of a battery will produce
When boron \(_{5}B^{10}\) is bombarded by neutron, alpha particles are emitted. The resulting nucleus has the mass number.
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)
Which of the following transitions in hydrogen atoms emit photons of highest frequency?
The most widely used rectifier is
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
Weak nuclear forces act on
If ionising energy of H atom is 13.6eV, then the second ionising energy of He should be
The unit of relative permittivity 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
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.
The frequency of the charged particle circular at right angles to a uniform magnetic field does not depend upon the
An electron in Bohr's hydrogen atom has an energy of -3.4 eV. The angular momentum of the electron is:
Huygen's principle of secondary waves is used to
What determines the charge that flows through a circuit due to the induced emf?
How many orders will be visible if the wavelength of the incident radiation is 5000 and the number of lines on the grating is 2620 in one inch?