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1. Question4 points
98Cf246 was formed along with a neutron when an unknown radioactive substance was bombarded with 6C12. The unknown substance was [WBJEEM 2014]Correct
2. Question4 points
(32Ge76, 34Se76) and (14Si30, 16S32) are examples of [WBJEEM 2014]Correct
3. Question4 points
The emission spectrum of hydrogen discovered first and the region of the electromagnetic spectrum in which it belongs, respectively are [WBJEEM 2014]Correct
4. Question4 points
As per de Broglie’s formula a macroscopic particle of mass 100 gm and moving at a velocity of 100 cm s–1 will have a wavelength of [WBJEEM 2014]Correct
5. Question4 points
The statement that is NOT correct is [Karnataka CET 2014]Correct