Match List I with List II: List I Lis | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(B) The dimensional formulas are calculated as follows:$(A)$ Planck's constant $(h)$: From $E = h
u$,we have $h = E / 
u$. The dimensions of energy

Vedclass · Accepted Answer

$A-III, B-IV, C-I, D-II$

Vedclass · Answer

(B) The dimensional formulas are calculated as follows:$(A)$ Planck's constant $(h)$: From $E = h
u$,we have $h = E / 
u$. The dimensions of energy $E$ are $[M^1 L^2 T^{-2}]$ and frequency $
u$ are $[T^{-1}]$. Thus,$[h] = [M^1 L^2 T^{-2}] / [T^{-1}] = [M^1 L^2 T^{-1}]$. This matches $III$.$(B)$ Stopping potential $(V_s)$: From $E = qV$,we have $V = E / q$. The dimensions of energy $E$ are $[M^1 L^2 T^{-2}]$ and charge $q$ are $[A^1 T^1]$. Thus,$[V_s] = [M^1 L^2 T^{-2}] / [A^1 T^1] = [M^1 L^2 T^{-3} A^{-1}]$. This matches $IV$.$(C)$ Work function $(\phi)$: Work function is a form of energy. Thus,$[\phi] = [M^1 L^2 T^{-2}]$. This matches $I$.$(D)$ Momentum $(p)$: Momentum $p = mv$. The dimensions are $[M^1] 	imes [L^1 T^{-1}] = [M^1 L^1 T^{-1}]$. This matches $II$.Therefore,the correct matching is $A-III, B-IV, C-I, D-II$.

List $I$	List $II$
$A$. Planck's constant $(h)$	$I$. $[M^1 L^2 T^{-2}]$
$B$. Stopping potential $(V_s)$	$II$. $[M^1 L^1 T^{-1}]$
$C$. Work function $(\phi)$	$III$. $[M^1 L^2 T^{-1}]$
$D$. Momentum $(p)$	$IV$. $[M^1 L^2 T^{-3} A^{-1}]$

Column $I$	Column $II$
$(A)$ Transition between two atomic energy levels	$(p)$ Characteristic $X$-rays
$(B)$ Electron emission from a material	$(q)$ Photoelectric effect
$(C)$ Mosley's law	$(r)$ Hydrogen spectrum
$(D)$ Change of photon energy into kinetic energy of electrons	$(s)$ $\beta$-decay

Match List $I$ with List $II$:

List $I$ List $II$

$A$. Planck's constant $(h)$ $I$. $[M^1 L^2 T^{-2}]$

$B$. Stopping potential $(V_s)$ $II$. $[M^1 L^1 T^{-1}]$

$C$. Work function $(\phi)$ $III$. $[M^1 L^2 T^{-1}]$

$D$. Momentum $(p)$ $IV$. $[M^1 L^2 T^{-3} A^{-1}]$

Similar Questions

Assertion $(A)$: In the photoelectric effect,on increasing the intensity of light,both the number of electrons emitted and the kinetic energy of each of them increase,but the photoelectric current remains unchanged.
Reason $(R)$: The photoelectric current depends only on the wavelength of light.

What phenomena of light can be explained on the basis of particle theory and wave theory of light?

Energy of an electron and a photon are equal. If the wavelength of the electron is $1\,\mathring{A}$,then the wavelength of the photon is approximately ............. $\mathring{A}$.

Assertion: The specific charge of positive rays is not constant.
Reason: The mass of ions varies with speed.

Vedclass Test Series

Exam Paper Generator

Online Exam Module

Match List $I$ with List $II$: List $I$ List $II$ $A$. Planck's constant $(h)$ $I$. $[M^1 L^2 T^{-2}]$ $B$. Stopping potential $(V_s)$ $II$. $[M^1 L^1 T^{-1}]$ $C$. Work function $(\phi)$ $III$. $[M^1 L^2 T^{-1}]$ $D$. Momentum $(p)$ $IV$. $[M^1 L^2 T^{-3} A^{-1}]$