List of practice Questions

Metal in Wilkinson's catalyst?
Energy of H atom in ground state is 13.6 eV. No of spectral lines emitted by 'H' atom when a photon of energy 12.75 eV is received?
Which shows +6 oxidation state in fluorides?
Properties of canal rays:
The carboxylic acid used widely in the leather industry is?
A lift having mass 1000kg moves upward against a frictional force of 2000N. Power given by motor is 36000W. What is the velocity of the lift?
If the threshold wavelength of a metal is in the green light region, then which of the following radiation cannot cause emission of electrons from metal?
Relation between \(C_p\), \(C_v\) and \(R\)
A coil of length \(l\) and area of cross-section \(A\) has resistance \(R\). If the length is increased to 3 times and area decreases to \(A/3\), then the new resistance is:
A body starts from rest and moves with an acceleration of \(2 \, \text{m/s}^2\) and comes to rest with a retardation of \(2 \, \text{m/s}^2\). Find the distance travelled?
Monochromatic light passing through a prism doesn't produce:
What is the speed of water flowing through a hole located at a depth \(h\) from the surface of water in a tank?
Area under \(F\) and \(t\) graph is?
Vibration of atoms and molecules produce electromagnetic radiation in the region of:
A ball of mass 10g is dropped from a height of 50m. If 30J energy is lost due to air resistance, then what is the velocity of the ball when it hits the ground?
Specific heat capacity of diatomic gas at constant volume:
Find the frequency of the waveform shown in the graph.
Find the magnification of a lens having focal length 5 cm (Least distance of distinct vision = 25 cm).
If \(T\) and \(n\) are surface tension and coefficient of viscosity, if temperature increases, then:
A wire of length 1m is clamped at half of its length. If the fundamental frequency is 3kHz, then find the velocity.
A body is rotated about a fixed axis. Which of the following is correct about angular velocity?
If a p-n junction diode is forward biased, then:
Young's modulus and shear modulus are applicable for:
The force between two point charges separated by a distance \(d\) is \(F\). If one charge is moved away by a distance \(d\), then the new force is:
KMnO\(_4\) on heating at 513K produces: