The work function for aluminium surface is \( 4.2 \mathrm{eV} \).
T... VIDEO
The work function for aluminium surface is \( 4.2 \mathrm{eV} \).
The cut-off wavelength for the photoelectric effect is
(a) \( 2955 \AA \)
(b) \( 4200 \AA \)
- (c) \( 2000 \AA \)
(d) \( 1000 \AA \)
W
ЁЯУ▓PW App Link - https://bit.ly/YTAI_PWAP
ЁЯМРPW Website - https://www.pw.live
Other Videos By PW Solutions 2023-02-14 рдХреНрд╖реЗрддреНрд░ рдореЗрдВ рд╡реГрддреНрддрд╛рдХрд╛рд░ рдорд╛рд░реНрдЧ рдореЗрдВ рдЪрдХреНрдХрд░ рд▓рдЧрд╛ рд░рд╣рд╛ рд╣реИред рдЬреНрдЮрд╛рдд рдХреАрдЬрд┐рдП : рд╡реГрддреНрддрд╛рдХрд╛рд░ рдорд╛рд░реНрдЧ рдХреА рддреНрд░рд┐рдЬреНрдпрд╛ рддрдерд╛ 2023-02-14 An electron, an \( \alpha \)-particle and a proton have the same ki... 2023-02-14 \( x+k y-z=0,3 x-k y-z=0 \) and \( x-3 y+z=0 \) has non-zero soluti... 2023-02-14 The exact value of \( \frac{96 \sin 80^{\circ} \sin 65^{\circ} \sin 35^{\circ}}{\sin 20^{\circ}+... 2023-02-14 Ultraviolet light of wavelength \( 200 \mathrm{~nm} \) is incident ... 2023-02-14 In the above problem, when the man has walked once around the platform so that he is at his orig... 2023-02-14 16 players \( \mathrm{P}_{1}, \mathrm{P}_{2}, \mathrm{P}_{3}, \ldots \ldots . \mathrm{P}_{16} \)... 2023-02-14 The sum of two numbers is 3 , then max value of the product of the ... 2023-02-14 In the above problem, the final angular velocity of the small cylinder is
(1) \( \frac{\omega_{0... 2023-02-14 The value of the determinant
\( \mathrm{P} \) \( \left|\begin{array... 2023-02-14 The work function for aluminium surface is \( 4.2 \mathrm{eV} \).
T... 2023-02-14 If the rate of increase of \( \frac{x^{2}}{2}-2 x+5 \) is twice the... 2023-02-14 If \( h \) is Planck's constant, the momentum of a photon of wavele... 2023-02-14 Electrons used in an electron microscope are accelerated by a volta... 2023-02-14 A circular platform is mounted on a vertical frictionless axle. Its radius is \( r=2 \mathrm{~m}... 2023-02-14 de-Broglie hypothesis is
(a) wave can behave like a particle
(b) a ... 2023-02-14 The absolute maximum of \( y=x^{3}-3 x+2 \) in \( [0,2] \) is
(A) 4... 2023-02-14 Electrons with de-Broglie wavelength \( \lambda \) fall on the targ... 2023-02-14 In the form of dichromate, \( \mathrm{Cr}(\mathrm{VI}) \) is a stro... 2023-02-14 - If alpha particle, proton and electron move with the same momentu... 2023-02-14 Rank the following groups of compounds in order of decreasing solubility in \( \mathrm{H}_{2} \m...