04:39

A metal rod of length 45 cm is clamped at its mid point. The speed of sound in the metal rod is 1500

02:14

A string is fixed at both ends. P and Q are two particles on the string. The first harmonic standing

01:47

A standing wave is formed on a rope. The distance between the first and fifth antinode on the standi

04:32

A standing wave is formed on a string. P and Q are adjacent anti nodes on the wave. Three statements

04:02

A standing wave is formed in a pipe closed at one end. The third harmonic has a frequency of 400 Hz

03:15

A standing wave is formed between two loudspeakers that emit soundwaves of frequency .A student

03:53

A pipe containing air is closed at one end and open at the other. The third harmonic standing wave

03:51

A standing wave with a first harmonic of frequency f1 is formed on a string fixed at both ends. The

04:35

A standing wave is formed in a pipe open at one end and closed at the other. The length of the pipe

04:33

Diagram 1 shows the variation with position of the displacement of a standing wave formed on a strin

02:36

In a Young’s double-slit experiment, the distance between fringes is too small to be observed.

02:32

Light of wavelength λ is normally incident on a diffraction grating of spacing 3λ. What is the angle

03:42

Light of frequency 500 THz is incident on a single slit and forms a diffraction pattern. The first

02:24

Monochromatic light is used to produce double-slit interference fringes on a screen. The fringe sepa

03:48

White light is incident normally on separate diffraction gratings X and Y. Y has a greater number of

05:05

Wavefronts travel from air to medium Q as shown. What is the refractive index of Q?

03:21

Monochromatic light of wavelength passes through a single-slit of width and produces a diffraction

04:42

How many dichlorinated butane isomers can be formed by the halogenation of CH3CH2CH2CH3 with excess

03:11

The diagram shows the diffraction pattern for light passing through a single slit

03:57

A glass block has a refractive index in air of n . The glass block is placed in two different liquid

04:59

Two wave generators, placed at position P and position Q, produce water waves with a wavelength of 4

02:14

Three quantities used to describe a light wave are I. frequency II. wavelength III. speed. Which

03:53

Monochromatic light of wavelength λ is incident on a double slit. The resulting interference pattern

03:40

What is the name of this compound, using IUPAC rules?

02:39

When monochromatic light is incident on a single slit a diffraction pattern forms on a screen.

04:20

A ray of monochromatic light is incident on the parallel interfaces between three media. The speeds

05:06

The diagram shows an interference pattern observed on a screen in a double-slit experiment with mono

02:46

In two different experiments, white light is passed through a single slit and then is either refract

03:09

Light of wavelength is diffracted after passing through a very narrow single slit of width . The

03:37

The refractive index of glass is 3/2 and the refractive index of water is 4/3.What is the critical

02:23

A ray of light is incident on the flat side of a semi-circular glass block placed in paraffin.

03:32

Monochromatic light of wavelength is incident on two slits S and S . An interference pattern is

05:04

A ray of light enters from air into a water droplet of radius at point S.S is a vertical distance

03:38

The intensity pattern of monochromatic light of wavelength λ, is projected onto a screen. What combi

03:03

Two identical sources oscillate in phase and produce constructive interference at a point P.

05:04

A group of students perform an experiment to find the refractive index of a glass block. They measur

05:07

Monochromatic light is incident on a diffraction grating. The diffraction pattern from the

02:59

Light from a monochromatic source is incident on a single slit and the resulting diffraction pattern

02:49

The graph shows the variation with time for the displacement of a particle in a travelling wave.

02:04

The graph shows the variation of the displacement of a wave with distance along the wave. The wave

04:40

A transverse travelling wave is moving through a medium. The graph shows, for one instant, the

04:13

A travelling wave has a frequency of 500 Hz. The closest distance between two points on the wave

04:08

A sound wave has a frequency of 1.0 kHz and a wavelength of 0.33 m. What is the distance travelled

02:26

A travelling wave on the surface of a lake has wavelength . Two points along the wave oscillate with

04:33

A wave travels along a string. Graph M shows the variation with time of the displacement of a point

04:44

A wave of period 10 ms travels through a medium. The graph shows the variation of particle displacem

02:08

What is the order of magnitude of the wavelength of visible light?

02:50

The graph shows the variation with distance of the displacement of the particles in a wave. The freq

03:19

A sound wave travels through a gas at a speed of 270 m s . The graph shows the variation of the

04:32

A longitudinal wave is travelling through a medium. The variation with distance d of the displacemen

02:00

An electromagnetic wave has a wavelength that is about the size ofthe diameter of an atom. What

04:37

An object at the end of a spring oscillates vertically with simple harmonic motion (shm). The graph

04:14

Object P moves vertically with simple harmonic motion (shm). Object Q moves in a vertical circle

02:51

A mass on a spring is displaced from its equilibrium position. Which graph represents the variation

03:55

Which graph shows the variation with time t of the kinetic energy (KE) of an object undergoing simpl

03:39

The four pendulums shown have been cut from the same uniform sheet of board. They are attached to

02:53

An object undergoes simple harmonic motion (SHM) of amplitude .When the displacement of the object

02:09

The motion of an object is described by the equation acceleration ∝ − displacement. What is the dire

03:56

A simple pendulum and a mass–spring system oscillate with the sametime period. The mass of the pendu

04:08

The bob of a pendulum has an initial displacement to the right. The bob is released and allowed to