List of practice Questions

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:
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 magnification of a lens having focal length 5 cm (Least distance of distinct vision = 25 cm).
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:
IUPAC name of the compound [Cr(H\(_2\)O)\(_3\)(NH\(_3\))\(_3\)]Cl\(_3\)
Square planar compound is:
A compound formed by reacting CoCl\(_2\) with excess NH\(_3\) gives 1 mol of AgCl with AgNO\(_3\). Form the compound:
Which element in the 3d series can form dihalides?
Choose the incorrect statement:
Chloro benzene and acetyl chloride react with anhydrous AlCl\(_3\), to form 4-chloroacetophenone. The reaction is an example of:
Which of the following have a complete octet?
Acetone can be converted to 2-methylpropan-2-ol using:
Which of the following is diamagnetic?
The correct order of boiling point:
CH\(_3\)-CH\(_2\)-CH\(_2\)-CH\(_2\)-NH\(_2\), CH\(_3\)-CH\(_2\)-NH-CH\(_2\)-CH\(_3\), CH\(_3\)-CH\(_2\)-N(CH\(_3\))\(_2\)