Physics-
General
Easy
Question
A stone is just released from the window of a train moving along a horizontal straight track. The stone will hit the ground following :
- Straight path
- Circular path
- Parabolic path
- Hyperbolic path
The correct answer is: Parabolic path
Related Questions to study
Physics-
The value of stopping potential in the following diagram
The value of stopping potential in the following diagram
Physics-General
Physics-
The curve between current (i) and potential difference (V) for a photo cell will be
The curve between current (i) and potential difference (V) for a photo cell will be
Physics-General
Physics-
The figure represents the observed intensity of X-rays emitted by an X-ray tube as a function of wavelength. The sharp peaks A and B denote
The figure represents the observed intensity of X-rays emitted by an X-ray tube as a function of wavelength. The sharp peaks A and B denote
Physics-General
Physics-
The intensity of X-rays from a Coolidge tube is plotted against wavelength as shown in the figure. The minimum wavelength found is λc and the wavelength of the Kα line is λk. As the accelerating voltage is increased
The intensity of X-rays from a Coolidge tube is plotted against wavelength as shown in the figure. The minimum wavelength found is λc and the wavelength of the Kα line is λk. As the accelerating voltage is increased
Physics-General
Physics-
The stopping potential as a function of the frequency of the incident radiation is plotted for two different photoelectric surfaces A and B. The graphs show that work function of A is
The stopping potential as a function of the frequency of the incident radiation is plotted for two different photoelectric surfaces A and B. The graphs show that work function of A is
Physics-General
Physics-
In an experiment on photoelectric effect the frequency f of the incident light is plotted against the stopping potential null. The work function of the photoelectric surface is given by (e is electronic charge)
In an experiment on photoelectric effect the frequency f of the incident light is plotted against the stopping potential null. The work function of the photoelectric surface is given by (e is electronic charge)
Physics-General
Physics-
The stopping potential V for photoelectric emission from a metal surface is plotted along Y-axis and frequency n of incident light along X-axis. A straight line is obtained as shown. Planck's constant is given by
The stopping potential V for photoelectric emission from a metal surface is plotted along Y-axis and frequency n of incident light along X-axis. A straight line is obtained as shown. Planck's constant is given by
Physics-General
Physics-
For the photoelectric effect, the maximum kinetic energy null of the emitted photoelectrons is plotted against the frequency n of the incident photons as shown in the figure. The slope of the curve gives
For the photoelectric effect, the maximum kinetic energy null of the emitted photoelectrons is plotted against the frequency n of the incident photons as shown in the figure. The slope of the curve gives
Physics-General
Physics-
The figure shows the variation of photocurrent with anode potential for a photo-sensitive surface for three different radiations. Let nulland null be the intensities and null and null be the frequencies for the curves a, b and c respectively
The figure shows the variation of photocurrent with anode potential for a photo-sensitive surface for three different radiations. Let nulland null be the intensities and null and null be the frequencies for the curves a, b and c respectively
Physics-General
Physics-
A photon collides with a stationary hydrogen atom in ground state inelastically. Energy of the colliding photon is 10.2 eV. After a time interval of the order of micro second another photon collides with same hydrogen atom inelastically with an energy of 15 eV. What will be observed by the detector
A photon collides with a stationary hydrogen atom in ground state inelastically. Energy of the colliding photon is 10.2 eV. After a time interval of the order of micro second another photon collides with same hydrogen atom inelastically with an energy of 15 eV. What will be observed by the detector
Physics-General
Physics-
A proton, a deutron and an a-particle having the same momentum, enters a region of uniform electric field between the parallel plates of a capacitor. The electric field is perpendicular to the initial path of the particles. Then the ratio of deflections suffered by them is
A proton, a deutron and an a-particle having the same momentum, enters a region of uniform electric field between the parallel plates of a capacitor. The electric field is perpendicular to the initial path of the particles. Then the ratio of deflections suffered by them is
Physics-General
Physics-
Rest mass energy of an electron is 0.51 MeV. If this electron is moving with a velocity 0.8 c (where c is velocity of light in vacuum), then kinetic energy of the electron should be.
Rest mass energy of an electron is 0.51 MeV. If this electron is moving with a velocity 0.8 c (where c is velocity of light in vacuum), then kinetic energy of the electron should be.
Physics-General
Physics-
The potential energy of a particle of mass m is given by 
1 and 2 are the de-Broglie wavelengths of the particle, when 
and x > 1 respectively. If the total energy of particle is 2E0, the ratio 
will be
The potential energy of a particle of mass m is given by 1 and 2 are the de-Broglie wavelengths of the particle, when and x > 1 respectively. If the total energy of particle is 2E0, the ratio will be
Physics-General
Physics-
Electrons with energy 80 keV are incident on the tungsten target of an X-ray tube. K shell electrons of tungsten have ionization energy 72.5 keV. X-rays emitted by the tube contain only
Electrons with energy 80 keV are incident on the tungsten target of an X-ray tube. K shell electrons of tungsten have ionization energy 72.5 keV. X-rays emitted by the tube contain only
Physics-General
Physics-
When a point source of monochromatic light is at a distance of 0.2 m from a photoelectric cell, the cut-off voltage and the saturation current are 0.6 volt and 18 mA respectively. If the same source is placed 0.6 m away from the photoelectric cell, then
When a point source of monochromatic light is at a distance of 0.2 m from a photoelectric cell, the cut-off voltage and the saturation current are 0.6 volt and 18 mA respectively. If the same source is placed 0.6 m away from the photoelectric cell, then
Physics-General
