When a magnet is being brought towards a coil, the emf induced in the coil does not depend on:

Which of the following statements are correct?
A. Number of photoelectrons emitted per second is directly proportional to the intensity of incident radiation
B. Cut off potential is the minimum negative potential given to the plate for which photocurrent becomes maximum
C. For a given frequency of the incident radiation, the stopping potential is independent of its intensity
D. Even for the exceedingly dim incident radiation apparent time lag is \( \sim 10^{-9} \) s or less
E. Photons are electrically neutral and are not deflected by electric and magnetic fields
Choose the correct answer from the options given below:

Match List-I with List-II for convex lens (symbols have their usual meanings)

List-I (Frequency Range)	List-II (EM Waves)
(A) \(4 \times 10^{14} Hz-7.5 \times 10^{14} Hz\)	(l) Infrared rays
(B) \(3 \times 10^{17} Hz-3 \times 10^{20} Hz\)	(II) Microwaves
(C) \(3 \times 10^9 Hz-3 \times 10^{11} Hz\)	(III) Visible Light
(D)\(3 \times 10^{11} Hz-4 \times 10^{14} Hz\)	(IV) X-rays

Choose the correct answer from the options given below :

Two identical capacitors are joined in parallel, charged to a potential V and then separated and connected in series, i.e., negative plate of first is connected to positive plate of second :

If 2000 electric field lines enter a given volume of closed space and 4000 field lines diverge from it, then the total charge within the volume is (Given \( \epsilon_0 = 8.85 \times 10^{-12} \text{ C}^2\text{m}^{-2}\text{N} \))

For a photosensitive surface, work function is \( 3.3 \times 10^{-19} \, \text{J} \). Taking Planck's constant to be \( 6.6 \times 10^{-34} \, \text{Js} \), the threshold frequency would be:

The work done by the field of a nucleus in a complete circular orbit of the electron is

Two cells of emf \( E \) and \( 2E \) with internal resistances \( r \) and \( 3r \), respectively are connected in parallel. The emf and internal resistance of the combination is:

If \(A\) is a square matrix, then \(\left(A^T-A\right)\) is-

The first clinical gene therapy was given to treat :

Probability distribution of random variable \(X\) is:

x	\(0\)	\(1\)	\(2\)	\(3\)	\(4\)	\(5\)
\(P(X)\)	\[3k\]	\(3k\)	\(2k\)	\(2k^2\)	\(3k^2\)	\(4k^2\)

The value of \(k\) is:

The electric field vector associated with electromagnetic wave in free space is given by \(E=40 \cos \left(6 \times 10^8 t-k x\right) V m ^{-1}\). The value of \(k\) in SI unit is :

Phenol is manufactured from hydrocarbon, Cumene. Cumene is chemically :