একটি কণা A যার চার্জ `2.0xx 10^(-6)` C এবং 100 গ্রাম ভরের নীচে...

10xx10^(3)*2.2xx10^(-6)*(10)/(0.4)

charges 2.0 xx 10^(-6) C and 1.0 xx 10^(-6) C are placed at. corners A and B of a squae of side 5.0cm as shown in. figure .how much work will be done against. the electric field in moving a charge of 1.0 xx 10^(-6) C from. C to D?.

Three charges q_(1), q_(2) and q_(3) are shown in figure . Determine the net force acting on charge q_(1) . The charges and separation are given as q_(1) =- 1.0 xx 10^(-6)C, q_(2) =+ 3.0 xx 10^(-6)C , and q_(3) = - 2.0 xx 10^(-6)C, r_(12) = 15 cm, r_(13) = 10 cm and theta = 30^(@) .

Calculate the number of significant figures in the following : (i) 1.00 xx 10^(6) (ii) 0.0050 (c ) 1.234 (d) 0.0006 (e) 0.368

Henry 's law constant for the solubility of N_(2) gas in water at 298 K is 1.0 xx 10^(5) atm . The mole fraction of N_(2) in air is 0.6 . The number of moles of N_(2) from air dissolved in 10 moles of water at 298 K and 5 atm pressure is a. 3.0 xx 10^(-4) b. 4.0 xx 10^(-5) c. 5.0 xx 10^(-4) d. 6.0 xx 10^(-6)

What length of brass and iron at 0^(0)C must be used if the difference between their lengths is always 0.2m ? The values of alpha for brass and iron and 18 xx 10^(-6)//0 C and 12 xx 10^(-6)//0 C respectively,

82546 = 8 xx 1000 + 2 xx 1000 + 5 xx 100 + 4 xx 10 + 6

The junctions of a Ni-Cu thermocouple are maintained at 0^@ C and 100^@ C . Calculate the Seebeck emf produced in the loop. a_(Ni, Cu) = 16.3 xx 10^(-6) V^@ C^(-1) and b_(Ni, Cu) = - 0.042 xx 10^(-6) V^@ C^(-3)

Can a precipitate of barium fluoride form when we mix 100 mL of 1.0xx10^(-3) M Ba(NO_3)_2 (aq) and 200 mL of 1.0xx10^(-3) M KF (aq) . K_(sp) (BaF_2)=1.0xx10^(-6)