41. The Atomic Energy Act of . . . . . . . . prohibits private control of nuclear power generation.
42. The value of plank's constant is
43. The ionisation energy of hydrogen atom in the ground state is
44. A photon of X-ray has energy of 1 keV. A photon of visible radiation has energy of 3 eV. In this context, which one of the following statement(s) is/are not correct?
45. Which of the following acts as a moderator in nuclear fission?
46. With reference to technologies for solar power production, consider the following statements.
1. 'Photovoltaics' is a technology that generates electricity by direct conversion of light into electricity, while 'Solar Thermal' is a technology that utilizes the Sun's rays to generate heat which is further used in electricity generation process.
2. Photovoltaics generates Alternating Current (AC), while Solar Thermal generates Direct Currect (DC).
3. India has manufacturing base for Solar Thermal Technology, but not for Photovoltaics.
Which of the statements given above is/are correct?
1. 'Photovoltaics' is a technology that generates electricity by direct conversion of light into electricity, while 'Solar Thermal' is a technology that utilizes the Sun's rays to generate heat which is further used in electricity generation process.
2. Photovoltaics generates Alternating Current (AC), while Solar Thermal generates Direct Currect (DC).
3. India has manufacturing base for Solar Thermal Technology, but not for Photovoltaics.
Which of the statements given above is/are correct?
47. The force of attraction between an electron revolving around the nucleus and the nucleus is an . . . . . . . . force.
48. Assertion (A) X-rays are used for studying the structure of crystals.
Reason (R) X-rays are electromagnetic waves.
Reason (R) X-rays are electromagnetic waves.
49. Hydrogen bomb is based on the principle of
50. Which is the only operating nuclear reactor in the world using U-233 fuel?
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