Physics-
General
Easy
Question
Binding energy per nucleon plot against the mass numberfor stable nuclei is shown in the figure. Which curve iscorrect?
- A
- B
- C
- D
The correct answer is: C
Related Questions to study
Maths-
If the D. C’s of a line are then c is equal to
For such questions, we should know the properties of direction cosines.
If the D. C’s of a line are then c is equal to
Maths-General
For such questions, we should know the properties of direction cosines.
Maths-
The value of f(0) , so that the function becomes continuous for all is given by
The value of f(0) , so that the function becomes continuous for all is given by
Maths-General
Maths-
Let f, g: R R be two functions defined by and g(x) = x f(x)
Statement 1: f is a continuous function at x = 0
Statement 2: g is a differentiable function at x = 0
Let f, g: R R be two functions defined by and g(x) = x f(x)
Statement 1: f is a continuous function at x = 0
Statement 2: g is a differentiable function at x = 0
Maths-General
Maths-
lf x2 and A and 8 are respecively the maximum and the minimum values of , then (A, B) is equal to
lf x2 and A and 8 are respecively the maximum and the minimum values of , then (A, B) is equal to
Maths-General
Physics-
Binding energy pernucleonversus mass number curve for nuclei is shown in the figure. W,X,Y and Z are fournuclei indicate don the curve.Theprocessthatwouldrelease
Binding energy pernucleonversus mass number curve for nuclei is shown in the figure. W,X,Y and Z are fournuclei indicate don the curve.Theprocessthatwouldrelease
Physics-General
Physics-
Which of the plots shown in the figure represents speed(vn) of the electron in a hydrogen atom as a function of theprincipalquantumnumber(n)?
Which of the plots shown in the figure represents speed(vn) of the electron in a hydrogen atom as a function of theprincipalquantumnumber(n)?
Physics-General
Maths-
lf the Rolle’s theorem holds for the function in the interval [−1, 1] for the point , then the value of 2a+b is
lf the Rolle’s theorem holds for the function in the interval [−1, 1] for the point , then the value of 2a+b is
Maths-General
Physics-
Ifis the frequency of the series limit of Lymanseries, is the frequency of the firstline of Lymanseries and
u3 is the frequency of the series limit of the Balmer seriesthen
Ifis the frequency of the series limit of Lymanseries, is the frequency of the firstline of Lymanseries and
u3 is the frequency of the series limit of the Balmer seriesthen
Physics-General
Physics-
The diagram shows the energy levels for an electron in acertainatom. Which transitionshown represents theemissionofaphotonwiththemostenergy?
The diagram shows the energy levels for an electron in acertainatom. Which transitionshown represents theemissionofaphotonwiththemostenergy?
Physics-General
Physics-
Thestopping potential, versus frequency(v) plotofasubstance is
shown in figure, the threshold wavelengthis
Thestopping potential, versus frequency(v) plotofasubstance is
shown in figure, the threshold wavelengthis
Physics-General
Physics-
Thefigureshowsaplotofphotocurrentversusanodepotentialforaphotosensitivesurfaceforthreedifferent radiations.Whichoneofthefollowingisacorrectstatement?
Thefigureshowsaplotofphotocurrentversusanodepotentialforaphotosensitivesurfaceforthreedifferent radiations.Whichoneofthefollowingisacorrectstatement?
Physics-General
Physics-
Lightofwavelength500nmisincidentonametalwithwork function2.28 eV. The de Broglie wavelengthof the emittedelectronis:
Lightofwavelength500nmisincidentonametalwithwork function2.28 eV. The de Broglie wavelengthof the emittedelectronis:
Physics-General
Physics-
In an experiment on photoelectric effect, a student plotsstoppingpotentialVO against reciprocalof the wavelengthoftheincidentlightfortwodifferentmetalsAandB.Theseareshown inthefigure.
Looking atthegraphs,youcanmostappropriatelysaythat
In an experiment on photoelectric effect, a student plotsstoppingpotentialVO against reciprocalof the wavelengthoftheincidentlightfortwodifferentmetalsAandB.Theseareshown inthefigure.
Looking atthegraphs,youcanmostappropriatelysaythat
Physics-General
Physics-
Twoinsulatingplatesarebothuniformlychargedinsuchawaythatthepotentialdifferencebetweenthemis -=20V.(i.e.,plate2isatahigherpotential).The plates are separatedby d =0.1mand canbe treatedasinfinitelylarge.Anelectronisreleasedfromrestontheinner surfaceofplate1.Whatisitsspeedwhenithitsplate2?
Twoinsulatingplatesarebothuniformlychargedinsuchawaythatthepotentialdifferencebetweenthemis -=20V.(i.e.,plate2isatahigherpotential).The plates are separatedby d =0.1mand canbe treatedasinfinitelylarge.Anelectronisreleasedfromrestontheinner surfaceofplate1.Whatisitsspeedwhenithitsplate2?
Physics-General
Physics-
Photoelectric effect experiments are performed using three different metal plates and having work functions and , respectively. A light beam containing wavelengths of and with equal intensities illuminates each of the plates. The correct graph for the experiment is:
(Take hc )
Photoelectric effect experiments are performed using three different metal plates and having work functions and , respectively. A light beam containing wavelengths of and with equal intensities illuminates each of the plates. The correct graph for the experiment is:
(Take hc )
Physics-General