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A light of wavelength 1240 A falls on a metallic sphere of radius 1 m and work function W0 = 3 eV. Find the maximum number of electrons left from the sphere till the photoelectric effect stops.
12
Oct
A light of wavelength 1240 A falls on a metallic sphere of radius 1 m and work function W0 = 3 eV. Find the maximum number of electrons left from the sphere till the photoelectric effect stops. A light of wavelength 1240 A falls on a metallic sphere of radius 1 m and work function [...]
3. Factorise. (iv) 15pq+15+9q+25p
12
Oct
3. Factorise. (iv) 15pq+15+9q+25p 3. Factorise. (iv) 15pq+15+9q+25p October 12, 2020 Category: Chapter 14 - Factorisation , Maths , NCERT Class 8 ,
If the frequency of incident light on a metal surface is doubled, will the kinetic energy of the photoelectrons be doubled?
12
Oct
If the frequency of incident light on a metal surface is doubled, will the kinetic energy of the photoelectrons be doubled? If the frequency of incident light on a metal surface is doubled will the kinetic energy of the photoelectrons be doubled? October 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
Radiations of frequencies f1 and f2 are made to fall in turn, on a photo-sensitive surface. The stopping potentials required for stopping the most energetic emitted photoelectrons
12
Oct
Radiations of frequencies f1 and f2 are made to fall in turn, on a photo-sensitive surface. The stopping potentials required for stopping the most energetic emitted photoelectrons on a photo-sensitive surface. The stopping potentials required for stopping the most energetic emitted photoelectrons Radiations of frequencies f1 and f2 are made to fall in turn October [...]
3. Factorise. (iii) ax+bx–ay–by
12
Oct
3. Factorise. (iii) ax+bx–ay–by 3. Factorise. (iii) ax+bx–ay–by October 12, 2020 Category: Chapter 14 - Factorisation , Maths , NCERT Class 8 ,
3. Factorise. (ii) 15xy–6x+5y–2
12
Oct
3. Factorise. (ii) 15xy–6x+5y–2 3. Factorise. (ii) 15xy–6x+5y–2 October 12, 2020 Category: Chapter 14 - Factorisation , Maths , NCERT Class 8 ,
In a photoelectric experiment, the collector plate is at 2.0 V with respect to the emitter plate made of copper (W0 = 4.5 eV). The emitter is illuminated by a source of monochromatic
12
Oct
In a photoelectric experiment, the collector plate is at 2.0 V with respect to the emitter plate made of copper (W0 = 4.5 eV). The emitter is illuminated by a source of monochromatic In a photoelectric experiment the collector plate is at 2.0 V with respect to the emitter plate made of copper (W0 = [...]
3. Factorise. (i) x^2+xy+8x+8y
12
Oct
3. Factorise. (i) x^2+xy+8x+8y 3. Factorise. (i) x^2+xy+8x+8y October 12, 2020 Category: Chapter 14 - Factorisation , Maths , NCERT Class 8 ,
2.Factorise the following expressions (x) ax^2y+bxy^2+cxyz
12
Oct
2.Factorise the following expressions (x) ax^2y+bxy^2+cxyz 2.Factorise the following expressions (x) ax^2y+bxy^2+cxyz October 12, 2020 Category: Chapter 14 - Factorisation , Maths , NCERT Class 8 ,
Light of wavelength 400 nm is incident continuously on a Cesium ball, (work function 1.9 eV). Find the maximum potential to which the ball will be charged
12
Oct
Light of wavelength 400 nm is incident continuously on a Cesium ball, (work function 1.9 eV). Find the maximum potential to which the ball will be charged (work function 1.9 eV). Find the maximum potential to which the ball will be charged Light of wavelength 400 nm is incident continuously on a Cesium ball October [...]