`[Ti(H_(2)O)_(6)]^(3+)` absorbs light of wavelength 498 nm during a d-d transition. The octahedral splitting energy for the above complex is __ _ _`10^(-19) J`. (Round off to the Nearest Integer). `h=6.626xx10^(-34)Js.c=3ccxx10^(8)ms^(-1)`

The total number of C-C sigma bond/s in mesityl oxide (C_(6)H_(10)O) is_______.(Round off to the Nearest Integer).

Electromagnetic radiation of wavelength 663 nm is just sufficient to ionise the atom of metal A. The ionization energy of metal A in kJ "mol"^(-1) is _______. (Rounded-off to the nearest integer) [h = 6.63 xx 10^(-34) Js, c = 3.00 xx 10^8 ms^(-1) , N_A = 6.02 xx 10^23 "mol"^(-1) ]

When light of wavelength 248 nm falls on a metal of threshold energy 3.0 eV, the de-Broglie wavelength of emitted electrons is "_________"Å (Round off to the Nearest Integer). [Use : sqrt3 = 1.73 , h - 6.63 xx 10 ^(-34) Js m _(c ) = 9.1 xx 10 ^(-31) kg , c =3.0 xx 10 ^(8) ms ^(-1) ,1eV = 1. 6 xx 10 ^(-19))]

A 50 watt bulb emits monochromatic red light of wavelength of 795 nm. The number of photons emitted per second by the bulb is x xx 10^20 . The value of x is _______. (Nearest integer) [Given : h = 6.63 xx 10^(-34) Js and c = 3.0 xx 10^8 ms^(-1) ]

A 50 watt bulb emits monochromatic red light of wavelength of 795 nm. The number of photons emitted per second by the bulb is x xx 10^20 . The value of x is _______. (Nearest integer) [Given : h = 6.63 xx 10^(-34) Js and c = 3.0 xx 10^8 ms^(-1) ]

For given enegy, corresponding wavelength will be E = 3.03 xx 10^(-19) Joules (h = 6.6 xx 10^(-34) j X sec., C = 3 xx 10^(8) m/sec

The photosensitive surface is receiving the light of wavelength 5000Å at the rate of 10^(-8)"J s"^(-1) . The number of photons received per second is (h=6.62xx10^(-34)Js, c=3xx10^(8)ms^(-1))

The kinetic energy of an electron is 4.55 xx 10^(-25)J . Calculate the wavelength . [h = 6.6 xx 10^(-34)Js , mass of electron = 9.1 xx 10^(-31)kg]

The work function of sodium metal is 4.41xx10^(-19)J . If photons of wavelength 300 nm are incident on the metal, the kinetic energy of the ejected electrons will be (h=6.63xx10^(34)Js,c=3xx10^(8) m/s ______ xx10^(-21)

A ball weighing 10 g is moving with a velocity of 90ms^(-1) . If the uncertainty in its velocity is 5%, then the uncertainty in its position is _______ xx10^(-33)m . Rounded off to the nearest integer) [Given h=6.63xx10^(-34)Js ]