Physics-
General
Easy

Question

Light of wavelength 520 nm passing through a double slit, produces interference pattern of relative intensity versus deflection angle theta as shown in the figure. The separation d between the slits is

  1. 2 × 10–2 mm    
  2. 5 × 10–2 mm    
  3. 4.5 × 10–2 mm    
  4. 1.1 × 10–2 mm    

The correct answer is: 2 × 10–2 mm

Related Questions to study

General
physics-

A student is asked to measure the wavelength of monochromatic light. He sets up the apparatus sketched below. S1 , S2 , S3 are narrow parallel slits, L is a sodium lamp and M is a microscope eyepiece. The student fails to observe interference fringes. Your first advice to him will be

A student is asked to measure the wavelength of monochromatic light. He sets up the apparatus sketched below. S1 , S2 , S3 are narrow parallel slits, L is a sodium lamp and M is a microscope eyepiece. The student fails to observe interference fringes. Your first advice to him will be

physics-General
General
physics-

Two identical narrow slits S1 and S2 are illuminated by light of wavelength lambda from a point source P. If, as shown in the diagram above the light is then allowed to fall on a screen, and if n is a positive integer, the condition for destructive interference at Q is that

Two identical narrow slits S1 and S2 are illuminated by light of wavelength lambda from a point source P. If, as shown in the diagram above the light is then allowed to fall on a screen, and if n is a positive integer, the condition for destructive interference at Q is that

physics-General
General
physics-

Two coherent narrow slits emitting light of wavelength lambda in the same phase are placed parallel to each other at a small separation of 3lambda. The light is collected on a screen S which is placed at a distance D (>>lambda) from the slits. The smallest distance x such that the P is a maxima

Two coherent narrow slits emitting light of wavelength lambda in the same phase are placed parallel to each other at a small separation of 3lambda. The light is collected on a screen S which is placed at a distance D (>>lambda) from the slits. The smallest distance x such that the P is a maxima

physics-General
parallel
General
physics-

Two point source separated by d = 5 mm emit light of wavelength lambda= 2 mu m in phase. A circular wire of radius 20 mm is placed around the source as shown in figure.

Two point source separated by d = 5 mm emit light of wavelength lambda= 2 mu m in phase. A circular wire of radius 20 mm is placed around the source as shown in figure.

physics-General
General
physics-

Figure shown plane waves refracted for air to water using Huygen's principle a, b, c, d, e are lengths on the diagram. The refractive index of water wrt air is the ratio.

Figure shown plane waves refracted for air to water using Huygen's principle a, b, c, d, e are lengths on the diagram. The refractive index of water wrt air is the ratio.

physics-General
General
physics-

Two point monochromatic and coherent sources of light of wavelength l are placed on the dotted line in front of an large screen. The source emit waves in phase with each other. The distance between S1 and S2 is 'd' while their distance from the screen is much larger. Then,

1) rightwards arrow If d = 7lambda/2, O will be a minima
2) rightwards arrow If d = 4.3lambda, there will be a total of 8 minima on y axis.
3) rightwards arrow If d = 7lambda, O will be a maxima.
4) rightwards arrow If d =lambda, there will be only one maxima on the screen.
Which is the set of correct statement :

Two point monochromatic and coherent sources of light of wavelength l are placed on the dotted line in front of an large screen. The source emit waves in phase with each other. The distance between S1 and S2 is 'd' while their distance from the screen is much larger. Then,

1) rightwards arrow If d = 7lambda/2, O will be a minima
2) rightwards arrow If d = 4.3lambda, there will be a total of 8 minima on y axis.
3) rightwards arrow If d = 7lambda, O will be a maxima.
4) rightwards arrow If d =lambda, there will be only one maxima on the screen.
Which is the set of correct statement :

physics-General
parallel
General
physics-

Figure, shows wave fronts in still water, moving in the direction of the arrow towards the interface PQ between a shallow region and a deep(denser) region. Which of the lines shown may represent one of the wave fronts in the deep region?

Figure, shows wave fronts in still water, moving in the direction of the arrow towards the interface PQ between a shallow region and a deep(denser) region. Which of the lines shown may represent one of the wave fronts in the deep region?

physics-General
General
physics-

In the figure, the block of mass m, attached to the spring of stiffness k is in contact with the completely elastic wall, and the compression in the spring is 'e'. The spring is compressed further by 'e' by displacing the block towards left and is then released. If the collision between the block and the wall is completely elastic then the time period of oscillations of the block will be:

In the figure, the block of mass m, attached to the spring of stiffness k is in contact with the completely elastic wall, and the compression in the spring is 'e'. The spring is compressed further by 'e' by displacing the block towards left and is then released. If the collision between the block and the wall is completely elastic then the time period of oscillations of the block will be:

physics-General
General
physics-

Time period of small oscillation (in a vertical plane normal to the plane of strings) of the bob in the arrangement shown will be:

Time period of small oscillation (in a vertical plane normal to the plane of strings) of the bob in the arrangement shown will be:

physics-General
parallel
General
physics-

A body executes SHM whose period is 16s. Two seconds after it passes the equilibrium position, its velocity is 1ms–1 The amplitude of SHM is

A body executes SHM whose period is 16s. Two seconds after it passes the equilibrium position, its velocity is 1ms–1 The amplitude of SHM is

physics-General
General
physics-

A 2 Kg block moving with 10 m/s strikes a spring of constant pi to the power of 2 end exponentN/m attached to 2 Kg block at rest kept on a smooth floor. The time for which rear moving block remain in contact with spring will be

A 2 Kg block moving with 10 m/s strikes a spring of constant pi to the power of 2 end exponentN/m attached to 2 Kg block at rest kept on a smooth floor. The time for which rear moving block remain in contact with spring will be

physics-General
General
physics-

A particle performing SHM is found at its equilibrium at t = 1sec. and it is found to have a speed of 0.25 m/s at t = 2 sec. If the period of oscillation is 6 sec. Calculate amplitude of oscillation

A particle performing SHM is found at its equilibrium at t = 1sec. and it is found to have a speed of 0.25 m/s at t = 2 sec. If the period of oscillation is 6 sec. Calculate amplitude of oscillation

physics-General
parallel
General
physics-

A man is swinging on a swing made of 2 ropes of equal length L and in direction perpendicular to the plane of paper. The time period of the small oscillations about the mean position is

A man is swinging on a swing made of 2 ropes of equal length L and in direction perpendicular to the plane of paper. The time period of the small oscillations about the mean position is

physics-General
General
physics-

The graphs in figure show that a quantity y varies with displacement d in a system undergoing simple harmonic motion.
I) 
II) 
III) 
IV) 
The total energy of the system

The graphs in figure show that a quantity y varies with displacement d in a system undergoing simple harmonic motion.
I) 
II) 
III) 
IV) 
The total energy of the system

physics-General
General
physics-

A cylindrical block of density r is partially immersed in a liquid of density 3 rho. The plane surface of the block remains parallel to the surface of the liquid. The height of the block is 60 cm. The block performs SHM when displaced from its mean position. [Use g = 9.8 m/s2]

A cylindrical block of density r is partially immersed in a liquid of density 3 rho. The plane surface of the block remains parallel to the surface of the liquid. The height of the block is 60 cm. The block performs SHM when displaced from its mean position. [Use g = 9.8 m/s2]

physics-General
parallel

card img

With Turito Academy.

card img

With Turito Foundation.

card img

Get an Expert Advice From Turito.

Turito Academy

card img

With Turito Academy.

Test Prep

card img

With Turito Foundation.