Physics-
General
Easy
Question
For a particle executing SHM the displacement x given by x = Acoswt. Identify the graph which represents the variation of potential energy (PE) as a function of time t and displacement x :-
- I, III
- II, IV
- II, III
- I, IV
The correct answer is: I, III
Related Questions to study
Chemistry-
Order of stability of vinyl, allyl and tertiary radical is: .
Order of stability of vinyl, allyl and tertiary radical is: .
Chemistry-General
Chemistry-
Which of the following is electron deficient molecule?
Which of the following is electron deficient molecule?
Chemistry-General
Maths-
=
=
Maths-General
Chemistry-
Strength of acidity is in order:
I) 
II) 
III) 
IV) 
Strength of acidity is in order:
I)
II)
III)
IV)
Chemistry-General
Chemistry-
The, decreasing order of nucleophilicity' among the nucleophiles is
I) 
II) 
III) 
IV) 
The, decreasing order of nucleophilicity' among the nucleophiles is
I)
II)
III)
IV)
Chemistry-General
Chemistry-
Identify the correct order of boiling points of the following compounds:
1) 
2) 
3) 
Identify the correct order of boiling points of the following compounds:
1)
2)
3)
Chemistry-General
Chemistry-
Identify the correct order of reactivity in electrophilic substitution reactions of the following compounds
1) 
2) 
3) 
4) 
Identify the correct order of reactivity in electrophilic substitution reactions of the following compounds
1)
2)
3)
4)
Chemistry-General
Maths-
If y = (1+
then 
=
If y = (1+then =
Maths-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 
. 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 . 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 
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 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 
and 
be the intensities and 
and 
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 and be the intensities and and be the frequencies for the curves a, b and c respectively
Physics-General
Physics-
In the following arrangement y = 1.0 mm, d= 0.24 mm and D = 1.2 m. The work function of the material of the emitter is 2.2 eV. The stopping potential V needed to stop the photo current will be
In the following arrangement y = 1.0 mm, d= 0.24 mm and D = 1.2 m. The work function of the material of the emitter is 2.2 eV. The stopping potential V needed to stop the photo current will be
Physics-General
Physics-
In order to coincide the parabolas formed by singly ionised ions in one spectrograph and doubly ionized ions in the other Thomson’s mass spectrograph, the electric fields and magnetic fields are kept in the ratios 1 : 2 and 3 : 2 respectively. Then the ratio of masses of the ions is
In order to coincide the parabolas formed by singly ionised ions in one spectrograph and doubly ionized ions in the other Thomson’s mass spectrograph, the electric fields and magnetic fields are kept in the ratios 1 : 2 and 3 : 2 respectively. Then the ratio of masses of the ions is
Physics-General
