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An electron has kinetic energy 2.8 x 10 -23J . de-Broglie wavelength will be nearly:
(me: 9.1 x 10 -31 kg)
(1) 9.28x 10-4m
(2) 9.28 x10-7 m
(3) 9.28 x 10 -8m
(4) 9.28x 10 -10 m
Ans:(c) 9.28 x 10 -8m
Rutherford's α particle scattering experiment proved that atom has: (1) Electrons (2 )Neutron (3) Nucleus (4 )Orbitals Ans: Nucleus
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what is the name for the following compound,CH3-C=C-CH-CH=CH2
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Q. What is Spontaneous processes? Ans. Spontaneous processes are events which occur without any assistance. When an object is held above the floor, it falls when released. Ic
Q. What is Peroxodisulphuric Acid? It is also known as perdisulphuric acid or simply persulphuric acid. The acid can be obtained by the action of chlorosulphonic acid on H 2 0
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