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2.Factorise the following expressions (viii) -4a^2+4ab–4 ca
12
Oct
2.Factorise the following expressions (viii) -4a^2+4ab–4 ca 2.Factorise the following expressions (viii) -4a^2+4ab–4 ca October 12, 2020 Category: Chapter 14 - Factorisation , Maths , NCERT Class 8 ,
Electrons with maximum kinetic energy 3 eV are ejected from a metal surface by ultraviolet radiation of wavelength 1500 A. Determine the work function of the metal, the threshold
12
Oct
Electrons with maximum kinetic energy 3 eV are ejected from a metal surface by ultraviolet radiation of wavelength 1500 A. Determine the work function of the metal, the threshold Electrons with maximum kinetic energy 3 eV are ejected from a metal surface by ultraviolet radiation of wavelength 1500 A. Determine the work function of the [...]
2.Factorise the following expressions (vii) 10a^2-15b^2+20c^2
12
Oct
2.Factorise the following expressions (vii) 10a^2-15b^2+20c^2 2.Factorise the following expressions (vii) 10a^2-15b^2+20c^2 October 12, 2020 Category: Chapter 14 - Factorisation , Maths , NCERT Class 8 ,
Lithium has a work function of 2.30 eV. It is exposed to light of wavelength 4800 A. Find the maximum kinetic energy with which electron leaves the surface. What is the longest
12
Oct
Lithium has a work function of 2.30 eV. It is exposed to light of wavelength 4800 A. Find the maximum kinetic energy with which electron leaves the surface. What is the longest Lithium has a work function of 2.30 eV. It is exposed to light of wavelength 4800 A. Find the maximum kinetic energy with [...]
2.Factorise the following expressions (vi) 5x^2y-15xy^2
12
Oct
2.Factorise the following expressions (vi) 5x^2y-15xy^2 2.Factorise the following expressions (vi) 5x^2y-15xy^2 October 12, 2020 Category: Chapter 14 - Factorisation , Maths , NCERT Class 8 ,
2.Factorise the following expressions (v) 20l^2m + 30alm
12
Oct
2.Factorise the following expressions (v) 20l^2m + 30alm 2.Factorise the following expressions (v) 20l^2m + 30alm October 12, 2020 Category: Chapter 14 - Factorisation , Maths , NCERT Class 8 ,
A plank of mass m is lying on a rough surface having coefficient of friction as mu in situation as shown in figure. Find the acceleration of the plank assuming that it slips and the surface
12
Oct
A plank of mass m is lying on a rough surface having coefficient of friction as mu in situation as shown in figure. Find the acceleration of the plank assuming that it slips and the surface A plank of mass m is lying on a rough surface having coefficient of frictio as mu in situation [...]
2.Factorise the following expressions (ix) x^2yz+xy^2z +xyz^2
12
Oct
2.Factorise the following expressions (ix) x^2yz+xy^2z +xyz^2 2.Factorise the following expressions (ix) x^2yz+xy^2z +xyz^2 October 12, 2020 Category: Chapter 14 - Factorisation , Maths , NCERT Class 8 ,
2.Factorise the following expressions (iv) -16z+20 z^3
12
Oct
2.Factorise the following expressions (iv) -16z+20 z^3 2.Factorise the following expressions (iv) -16z+20 z^3 October 12, 2020 Category: Chapter 14 - Factorisation , Maths , NCERT Class 8 ,
A plane light wave of intensity I = 0.50 W/sm^2 falls on a plane mirror of reflection coefficient rho = 0.8. The angle of incidence theta = 45. Find the normal pressure exerted by light
12
Oct
A plane light wave of intensity I = 0.50 W/sm^2 falls on a plane mirror of reflection coefficient rho = 0.8. The angle of incidence theta = 45. Find the normal pressure exerted by light A plane light wave of intensity I = 0.50 W/sm^2 falls on a plane mirror of reflection coefficient rho = [...]