[" 450waver of a criergy natiation passes in che mimulo from a point then what will be the wavciength of nationion "],[666times10^(5)m],[6times10^(7)m],[0225times10^(9)m],[0.25times10^(-8)m]

A ball of mass "100g" is moving with "100m/sec" . The wavelength is (A) 6.625times10^(-28)m (B) 6.625times10^(-35)m (C) 6.625times10^(-30)m (D) 6.625times10^(-24)m

[" 8.The dielectric strength of the air is about "-],[[" (A) "3times10^(6)v/m" (B) "3times10^(4)v/m],[" (C) "3times10^(2)v/m," (D) "3times10^(3)v/m]]

The energy that should be added to an electron,to reduce its de-Broglie wavelengths from 10^(-10)m to "=0.5times10^(-10)m ,will

Find the wavelength of electromagnetic waves of frequency 6 times 10^(12)Hz in free space having speed of 3 times 10^(8)m/s in free space. (a) 6 times 10^5m (b) 5 times 10^-5m (c) 2.5×10^5m (d) 1.5×10^5m

Find the length of the longest road that can be placed in a room of dimensions (10m xx 10m xx 5m)

K_(sp) of the salt AB_(2) at 298 K is 4 times 10^(-11)M . A precipitate of AB_(2) is formed when equal volumes of which of the following solutions of A^(2+) and B^(-) are mixed? A) 2 times 10^(-4)M" "A^(2+) and 2 times 10^(-4)M" "B^(-)" B) 2 times 10^(-5)M" "A^(2+) and 2 times 10^(-3)M" "B^(-) C) 2 times 10^(-2)M" "A^(2+) and 2 times 10^(-3)M" "B^(-)

The length of the longest rod that can be placed in a room of dimensions (10 m xx 10 m xx 5m) is

Find the energy required by an electron to have its de Broglie wavelength reduced from 10^(-10)m " to " 0.5 xx 10^(-10)m .

The ratio of energy of photon of a wavelength 10^(-10) m that of photon of wavelength 5 xx 10^(-8) m is