Assertion (A): The minimum frequency of radiations to show photoelectric effect depends upon the... VIDEO
Assertion (A): The minimum frequency of radiations to show photoelectric effect depends upon the work function.
Reason (R): The concept is used to determine identity of the metals.
(A) Both A and R are true and R is the correct explanation of A.br(B) Both A and R are true, but R is not the correct explanation of A.
(C) A is true, but R is false.
(D) A is false, but R is true.
(E) Both A and R are false.
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live
Other Videos By PW Solutions 2022-11-16 प्रतियोगितात्मक संदमन क्या है ? एक उदाहरण दीजिए। 2022-11-16 A glass prism of refractive index \( 1.5 \) is immersed in water of refractive index \( 4 / 3 \)... 2022-11-16 The speeds of 22 particles are as follows \( \left(N_{i}\right. \) represents the number of part... 2022-11-16 स्त्री जनन तन्त्र का एक नामांकित आरेख बनाएँ। 2022-11-16 Evaluate the following limits: \[ \lim _{x \rightarrow 0} \frac{x \cos x+2 \sin x}{x^{2}+\tan x} \] 2022-11-16 Which of the following statements indicates that light waves are transverse?
(A) Light waves can... 2022-11-16 Sum the series : \[ .6+.06+.006+.0006+ \] 2022-11-16 If \( \alpha \) and \( \beta \) are different complex numbers with \( |\beta|=1 \), then \( \lef... 2022-11-16 A magnetic needle lying parallel to a magnetic field requires \( W \) units of work to turn it t... 2022-11-16 A viscous fluid is flowing through two horizontal pipes. The pressure difference \( P_{2}-P_{1} ... 2022-11-16 Assertion (A): The minimum frequency of radiations to show photoelectric effect depends upon the... 2022-11-16 A number of droplets, each of radius \( r \), combine to form a drop of radius \( R \). If \( T ... 2022-11-16 Which one is endangered species? (A) Cuscuta (B) Acacia nilotica (C) Nepenthes (D) both (b) and (c) 2022-11-16 Show that if \( f(x+i y)=u+i v \) the curves
\[
\left.\begin{array}{l}
u=a \\
v=b
\end{array}\ri... 2022-11-16 the life cycle of Aurelia and Obelia. Point out 5 major differences between the two. 2022-11-16 A gas consisting of rigid diatomic molecules was expanded in a polytropic process so that the ra... 2022-11-16 Determine the number density of donor atoms which have to be added to an intrinsic germanium sem... 2022-11-16 If \( a, b, c \) are in A.P. \( p, q, r \) are in H.P. and \( a p, b q, c r \) are in G.P., then... 2022-11-16 Write short notes on the following : Various forms of coal 2022-11-16 The answer to each of the following questions is a singlt digit integer, ranging from 0 to 9.
H... 2022-11-16 Two half cells are \( \mathrm{Al}^{3+}(a q) / \mathrm{Al}^{2} \) and \( \mathrm{Mg}^{2+}(a q) / ...