If input frequency of a full wave rectifier be n, then output frequency would be
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Kalpakkam is famous
A. Due to nuclear power plant
B. Due to defence laboratory
C. Due to rocket launching centre
D. Due to space centre
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What is the code name of India's first successful nuclear test?
A. Operation Shakti
B. Smiling Buddha
C. laughing Buddha
D. Operation Vijay
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Assertion (A) The force of repulsion between atomic nucleus and α-particle varies with distance according to inverse square law.
Reason (R) Rutherford did α-particle scattering experiment.
A. Both A and R are true and R is the correct explanation of A
B. Both A and R are true, but R is not the correct explanation of A
C. A is true, but R is false
D. A is false, but R is true
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By what means does the sun's energy generate?
A. Nuclear fusion
B. Solar energy
C. Heat energy
D. gravitational energy
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What is true for Kalpakkam Fast Breeder Reactor?
1. In it, only natural uranium is used as a fuel.
2. In it, Plutonium carbide and natural uranium carbide mixture are used as a fuel.
3. More than 200 M Watt atomic electricity would be produced from it.
Choose the correct answer:
A. Only 1 and 2
B. Only 1 and 3
C. Only 2 and 3
D. 1, 2 and 3
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In the 1940s, some great scientists tried to purify uranium and manufacture atom bomb. What was the name of this project?
A. Manhattan Project
B. Atomic Heritage
C. Pearl Harbor Project
D. Los Alamos Project
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Hydrogen spectrum was first explained by
A. Dalton
B. Erwin Schrodinger
C. Niels Bohr
D. Rutherford
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The stars receive their energy from which of the following?
A. Nuclear fusion
B. Nuclear fission
C. Chemical reaction
D. Gravitational pull
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Heavy water is manufactured in India at
A. Trombay
B. Assam
C. Delhi
D. Bhilai
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What is the full form of AM regarding radio broadcasting?
A. Amplitude Movement
B. Anywhere Movement
C. Amplitude Matching
D. Amplitude Modulation
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Which one of the following is not correctly matched?
A. Rajasthan Atomic Power Station ⟺ Udaipur
B. Narora Atomic Power Station ⟺ Uttar Pradesh
C. Madras Atomic Power Plant ⟺ Kalpakkam
D. Kaiga Atomic Power Plant ⟺ Karnataka
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Scattering of α-particles by a thin gold foil suggests the presence of
A. electron in an atom
B. proton in an atom
C. positively charged nucleus at the centre of an atom
D. isotopes of gold
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Who is present director of 'BARC'?
A. Satish Dhawan
B. R.K. Sinha
C. G. Madhavan Nayar
D. Dr. Ramanna
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Proposed Nuclear Power Plant will be established at . . . . . . . . district of Madhya Pradesh
A. Betul
B. Mandla
C. Khandwa
D. Neemach
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Which one of the following metal is used in the filaments of photoelectric cells that converts light energy into electric energy?
A. Tungsten
B. Copper
C. Rubidium
D. Aluminium
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Who among the following has explained the phenomenon of photoelectric effect?
A. Max Planck
B. Albert Einstein
C. Neils Bohr
D. Ernest Rutherford
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Which of the following is not used as a moderator in nuclear reactors?
A. Boron
B. Heavy water
C. Graphite
D. Water
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The mass-energy relation is the outcome of
A. quantum theory
B. generate theory of relativity
C. field theory of relativity
D. special theory of relativity
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Electron emission from a metallic surface by the application of light is known as
A. thermonic emission
B. photoelectric emission
C. high field emission
D. auto electronic emission
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