List of top Questions asked in SRMJEEE

The values of four quantum numbers of valence electron of an element are n = 4, l = 0, m = 0 and \(s=+\frac{1}{2}\). The element is :
The de Broglie wavelengths of electron waves in two orbits is 3:5. The ratio of kinetic energy of electrons will be
If the feedback fraction of an amplifier is 0.01, then voltage gain with negative feedback is approximately ____
Electromagnetic waves transport
The pyknometric density of sodium chloride crystal is 2.165x 103 kg m-3 while its X-ray density is 2.178 x103 kg m-3 . The fraction of the unoccupied sites in sodium chloride crysstal is
The sharp melting point of a crystalline solid is due to
What is the net charge if a certain semiconductor losses 4 valence electrons?
Which of the following is atypical element?
Which source is accociated with line emission spectrum?
Plutonium decays with half time 24000 yr. If plutonium is stored after 72000 yr, the fraction of it that remains ______
If a 46 gm golf ball has velocity 36 m/s and an electron with velocity 107 m/s. Which of these two show wave character?
Special theory of relativity treats problem involving
The nucleus which is an isotope of C117 and also an isobar of Ar18 has mass number A and atomic number Z given by ______
According to theory of relative mass of an object is
The time interval between two event in a reference frame which is in motion is
The core used in a transformer is laminated in order to
A wire is cut into 4 pieces, which are put together side by side to obtain one conductor. If the original resistance of the wire was R, the resistance of the bundle will be
The line joining the pole of the mirrors and its centre of curvature is called _____
In a superconductor, critical magnetic field
In ruby laser, some of aluminium ions are (Al3+)replaced by
Light of wavelength 5500 Å from narrow slit is incident on a double slit. The overall separation of 5 fringes on a screen 200 cm away is 1 cm. Calculate slit seperation.
Magnetic lines of force ______
A spherical black body of radius 12cm radiates 450W power at 500K. If the radius is one half and the temperature doubled, the power radiated in watt will be
A given mass of a gas is at pressure P and absolute temperature T. The isothermal bulk modulus of the gas is
The expression for the efficiency of a carnot's engine is