In a Young's double-slit experiment the intensity ratio of maxima and minima is infinite. The ratio

If one of two identical slits producing interference in Young's experiment is covered with glass so

A voltage signal is described by

A photon emitted during the de-excitation of electron from a state n to the first excited state in a

Find the equivalent capacitance between points A and B if capacitance of each capacitor is C

An alternating voltage E = E0 sin ωt is applied to a circuit containing a resistor R connected in

the rms value of a current is given by i=( i1coswt+i2sinwt)

Identify the correct statements electrostatic field lines form closed loops

A symmetric biconvex lens of radius of curvature R and made of glass of refractive index 1.5 is

Use Kirchhoff's rule to determine the currents flowing through the branches MN, TO and SP in the

In interference of light write the expression for the intensity of the resultant wave if I0​ is the

Consider I₁ and I₂ are the currents flowing simultaneously in two nearby coils 1 & 2 respectively

A coil of area A and N turns is rotating with angular velocity ω in a uniform magnetic field B about

Metal complexes show different colours due to d-d transitions.The complex absorbs light of specific

XPQY is a vertical smooth long loop having a total resistance R where PX is parallel to QY and

Figure shows the circuit that contains three resistances(9Ω each) and two inductors ( 4 mH each).

When sucrose is hydrolysed the optical rotation values are measured using a polarimeter and are give

The unit vector perpendicular to the vectors i - j and i + j is

A small town is anlyzing the pattern of a new street light installation.The lights are set up in

A 20 m long uniform copper wire held horizontally is allowed to fall under the gravity(g = 10m/s^2)

Suppose a long solenoid of 100 cm length radius 2 cm having 500 turns per unit length carries a

A circular loop of radius 7 cm is placed in uniform magnetic field of 0.2 T directed perpendicular

A biconvex lens is formed by using two thin planoconvex lenses as shown in the figure.The refractive

Two convex lenses A and B each of focal length 10.0 cm are mounted on an optical bench at 50.0 cm

Two small identical electric dipole AB and CD each dipole moment p are kept at an angle of 120° to

A small object with charge q and weight mg is attached to one end of a string of length L. The other

Statement I: When currents vary with time, Newton's third law is valid only if momentum carried by

Radioactive decay follows first order kinetics. The initial amount of two radioactive elements X and

An electron projected perpendicular to a uniform magnetic field B moves in a circle. If Bohr's

Let B1 be the magnitude of magnetic field at center of a circular coil of radius R carrying current

If oxygen ion (O²⁻) and Hydrogen ion (H⁺) enter normal to the magnetic field with equal momentum

Uniform magnetic fields of different strengths (B1 and B2) both normal to the plane of the paper

A particle of charge q, mass m and kinetic energy E enters in magnetic field perpendicular to its

Figure shows a current carrying square loop ABCD of edge length is 'a' lying in a plane.If the

The equivalent resistance between A and B is [ JEE Main - 30 Jan ,2023 ( Shift - II ) ]

The equivalent resistance between A and B is

The equivalent emf of two nonideal batteries connected in parallel is smaller than either of the two

A galvanometer having a coil of resistance 30 Ω need 20 mA of current for full-scale deflection. If

In the circuit shown here, assuming threshold voltage of diode is negligibly small, then voltage VAB

A wire of length 25 m and cross-sectional area 5 mm2 having resistivity of 2 × 10–6 ohm-m is bent in

A motor operating on 100 V draws a current of 1 A. If the efficiency of the motor is 91.6% then the

There are ‘n’ number of identical electric bulbs each is designed to draw a power p independently

Identify the valid statements relevant to the given circuit at the instant when the key is closed

A compound 'X' absorbs 2 moles of hydrogen and 'X' upon oxidation with KMnO4 | H+ gives

Consider a long straight wire of a circular cross-section (radius a) carrying a steady current I the

An electric dipole of mass m, charge q, and length l is placed in a uniform electric field E = E₀ i

Consider the following sequence of reaction

Let u and v be the distances of the object and the image from a lens of focal length f. The correct

A small compass needle of magnetic moment M is free to turn about an axis perpendicular to the

1, 2-dibromocyclooctane react with (i) KOH (alc.)(ii) NaNH2(iii) Hg2+/H+(iv) Zn-Hg/H ——— P(Major )

A 10 V cell of negligible internal resistance is connected in parallel across a battery of emf 200 V

A battery of emf 12V and internal resistance 2 ohm is connected to a 4 ohm resistor as shown in the

The current is drawn from a cell of emf E and iternal resitance r connected to the network of

Three resistors having resistances r1, r2 and r3 are connected as shown in the given circuit. The

Three resistors having value R1,R2and R3 are connected in series to a battery suppose R1 carries a

The two lines (x-1)/3=-y ,z+1=0 and -x/2=(y+10/2 =z+2 intersect at a point whose y coordinate is 1

Two sources of equal emf are connected in series.This combination isin turn connected to an external

A city's traffic management department is planning to optimize traffic flow by analyzing the connect

In the two electric circuits shown in the figure determine the readings of the ideal ammeter(A) and

I-V graph for a metallie wire at two different tempearture T1and T2 is as shown in the figure.Which