56. Wavelength is expressed in .....1) Angstroms2) Nanometers 3) Picometers 4) All57.Who disocvered the presence of nucleus in the atom ?1) Rutherford2) J.J. Thomson 3) Goldstein4) Chadwick58.The product of which of the following is equal to the velocity of light ?1) Wave length and wave number2) Wave length and frequency3) Frequency and wave number4) Wave length and amplitude59.The nature of black body is1) Perfect absorber2) Perfect emitter3) both (1) & (2)4) none of the above60.The units of frequency is1) A02) Hz59.60.3) cm4) pm

56. Wavelength is expressed in .....1) Angstroms2) Nanometers 3) Pic

1.	56. Wavelength is expressed in .....1) Angstroms2) Nanometers 3) Picometers 4) All57.Who disocvered the presence of nucleus in the atom ?1) Rutherford2) J.J. Thomson 3) Goldstein4) Chadwick58.The product of which of the following is equal to the velocity of light ?1) Wave length and wave number2) Wave length and frequency3) Frequency and wave number4) Wave length and amplitude59.The nature of black body is1) Perfect absorber2) Perfect emitter3) both (1) & (2)4) none of the above60.The units of frequency is1) A02) Hz59.60.3) cm4) pm
Answer» WAVELENGTH is expressed in ANGSTROMS. Nucleus is discovered by Chadwick. 58) 259) 160) 2