A heat engine absorbs heat Q1 at temperature T1 and heat Q2 at temperature T2. Work done by the engine is (Q1 + Q2). This data

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#Question id: 20174

#XL - P Chemistry

If wavelength of photon is 2·2 × 10^–11 m, h = 6·6 × 10^–34 Js, then momentum of photon is

TLS Online TPP Program

#Question id: 20175

#XL - P Chemistry

According to Bohr’s theory, the energy required for the transition of H atom from n = 6 to n =8 state is

TLS Online TPP Program

#Question id: 20176

#XL - P Chemistry

An electron has kinetic energy of 2·14 × 10^–22J.Its de-Broglie wavelength will be nearly (me = 9.1 × 10^–31 kg)

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#Question id: 20177

#XL - P Chemistry

What will be de-Broglie wavelength of an electron moving with a velocity of 1·20 × 10⁵ms^–1 ?

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#Question id: 20178

#XL - P Chemistry

The de-Broglie wavelength associated with ball of mass 200 g and moving at a speed of 5 m hour^–1 is of the order of (h = 6·625 x 10^–34 Js)

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#Question id: 20179

#XL - P Chemistry

The third line of the Balmer series. in the emission spectrum of the hydrogen atom, is due to the transition from the