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General
Easy
Question
The continuous x-ray spectrum obtained from a Coolidge tube is of the form
The correct answer is:
n varies from 0 to null
Related Questions to study
Physics-
The correct graph between the maximum energy of a photoelectron and the inverse of wavelength of the incident radiation is given by the curve
The correct graph between the maximum energy of a photoelectron and the inverse of wavelength of the incident radiation is given by the curve
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Physics-
The intensity distribution of X-rays from two coolidge tubes operated on different voltages V1 and V2 and using different target materials of atomic numbers Z1 and Z2 is shown in the figure. Which one of the following inequalities is true?
The intensity distribution of X-rays from two coolidge tubes operated on different voltages V1 and V2 and using different target materials of atomic numbers Z1 and Z2 is shown in the figure. Which one of the following inequalities is true?
Physics-General
Physics-
Figure represents the graph of photo current I versus applied voltage (V). The maximum energy of the emitted photoelectrons is
Figure represents the graph of photo current I versus applied voltage (V). The maximum energy of the emitted photoelectrons is
Physics-General
Physics-
Figure represents a graph of kinetic energy (K) of photoelectrons (in eV) and frequency (v) for a metal used as cathode in photoelectric experiment. The work function of metal is
Figure represents a graph of kinetic energy (K) of photoelectrons (in eV) and frequency (v) for a metal used as cathode in photoelectric experiment. The work function of metal is
Physics-General
Physics-
The stopping potential 
versus frequency (n) plot of a substance is shown in figure the threshold wave length is
The stopping potential versus frequency (n) plot of a substance is shown in figure the threshold wave length is
Physics-General
Physics-
A point source of light is used in an experiment on photoelectric effect. Which of the following curves best represents the variation of photo current (i) with distance (d) of the source from the emitter
A point source of light is used in an experiment on photoelectric effect. Which of the following curves best represents the variation of photo current (i) with distance (d) of the source from the emitter
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Physics-
In the following diagram if V2 > V1 then
In the following diagram if V2 > V1 then
Physics-General
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on relative change of momentum with respect to surface. Let any instant the velocity of surface is u, then above equation becomes – null Based on above concept, in the below given figure, if the cart is frictionless and free to move in horizontal direction, then answer the following :
Given cross-section area of jet null velocity of jet null, density of liquid null of cart null. In the above problem, what is the acceleration of cart at this instant –
on relative change of momentum with respect to surface. Let any instant the velocity of surface is u, then above equation becomes – null Based on above concept, in the below given figure, if the cart is frictionless and free to move in horizontal direction, then answer the following :
Given cross-section area of jet null velocity of jet null, density of liquid null of cart null. In the above problem, what is the acceleration of cart at this instant –
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on relative change of momentum with respect to surface. Let any instant the velocity of surface is u, then above equation becomes – null Based on above concept, in the below given figure, if the cart is frictionless and free to move in horizontal direction, then answer the following :
Given cross-section area of jet null velocity of jet null, density of liquid null of cart null. Velocity of cart at t = 10 sec. is equal to :
on relative change of momentum with respect to surface. Let any instant the velocity of surface is u, then above equation becomes – null Based on above concept, in the below given figure, if the cart is frictionless and free to move in horizontal direction, then answer the following :
Given cross-section area of jet null velocity of jet null, density of liquid null of cart null. Velocity of cart at t = 10 sec. is equal to :
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Physics-
on relative change of momentum with respect to surface. Let any instant the velocity of surface is u, then above equation becomes – null Based on above concept, in the below given figure, if the cart is frictionless and free to move in horizontal direction, then answer the following :
Given cross-section area of jet null velocity of jet null, density of liquid null of cart null. Initially null the force on the cart is equal to :
on relative change of momentum with respect to surface. Let any instant the velocity of surface is u, then above equation becomes – null Based on above concept, in the below given figure, if the cart is frictionless and free to move in horizontal direction, then answer the following :
Given cross-section area of jet null velocity of jet null, density of liquid null of cart null. Initially null the force on the cart is equal to :
Physics-General
Physics-
One mole of an ideal monoatomic gas undergoes a cyclic process as shown in figure. Temperature at point 1 = 300 K and process 2-3 is isothermal. Net work done by gas in complete cycle is
One mole of an ideal monoatomic gas undergoes a cyclic process as shown in figure. Temperature at point 1 = 300 K and process 2-3 is isothermal. Net work done by gas in complete cycle is
Physics-General
Physics-
At null a liquid is filled up to 10 cm height in a container of glass of length 20 cm and cross-sectional area 100 cm2 Scale is marked on the surface of container. This scale gives correct reading at null. null°C–1. The reading of scale at null is-
At null a liquid is filled up to 10 cm height in a container of glass of length 20 cm and cross-sectional area 100 cm2 Scale is marked on the surface of container. This scale gives correct reading at null. null°C–1. The reading of scale at null is-
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Physics-
At null a liquid is filled up to 10 cm height in a container of glass of length 20 cm and cross-sectional area 100 cm2 Scale is marked on the surface of container. This scale gives correct reading at null. null°C–1. The actual height of liquid at null is-
At null a liquid is filled up to 10 cm height in a container of glass of length 20 cm and cross-sectional area 100 cm2 Scale is marked on the surface of container. This scale gives correct reading at null. null°C–1. The actual height of liquid at null is-
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Physics-
At null a liquid is filled upto 10 cm height in a container of glass of length 20 cm and cross-sectional area 100 cm2 Scale is marked on the surface of container. This scale gives correct reading at null.null°C–1. The volume of liquid at null is :–
At null a liquid is filled upto 10 cm height in a container of glass of length 20 cm and cross-sectional area 100 cm2 Scale is marked on the surface of container. This scale gives correct reading at null.null°C–1. The volume of liquid at null is :–
Physics-General
Physics-
One mole of a monoatomic ideal gas occupies two chambers of a cylinder partitioned by means of a movable piston. The walls of the cylinder as well as the piston are thermal insulators. Initially equal amounts of gas fill both the chambers at null. A coil is burnt in the left chamber which absorbs heat and expands, pushing the piston to the right. The gas on the right chamber is compressed until to pressure becomes null The change in internal energy of the gas in the left chamber is
One mole of a monoatomic ideal gas occupies two chambers of a cylinder partitioned by means of a movable piston. The walls of the cylinder as well as the piston are thermal insulators. Initially equal amounts of gas fill both the chambers at null. A coil is burnt in the left chamber which absorbs heat and expands, pushing the piston to the right. The gas on the right chamber is compressed until to pressure becomes null The change in internal energy of the gas in the left chamber is
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