In CT Scan, CT means . . . . . . . .
A. cathode ray tube
B. computerized testing
C. computed tomography
D. compartmental tracking
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The atomic power plant which became active recently is located at
A. Kalpakkam
B. Narora
C. Tarapore
D. Kaiga
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The source of the sun's energy, is the process of
A. photoelectric emission
B. nuclear fission
C. nuclear fusion
D. thermionic emission
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Which one among the following waves carries the maximum energy per photon?
A. X-rays
B. Radio waves
C. Light waves
D. Microwaves
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The stopping potential for photoelectrons depends
A. on the intensity of the incident light
B. on the frequency of the incident light and the cathode materials
C. only on the cathode materials
D. only on the frequency of the incident light
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Which is the first nuclear reactor made in India?
A. CIRUS
B. Dhruva
C. KAMINI
D. Apsara
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Which of the following is India's first reactor that has been designed to use U-233 as fuel?
A. Purnima -II
B. Kamini
C. Dhurva
D. Purnima -I
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In the nuclear reactors, moderators are used to
A. slow down the neutrons
B. generate neutrons
C. accelerate neutrons
D. absorb neutrons
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India is an important member of the 'International Thermonuclear Experimental Reactor'. If this experiment succeeds, what is the immediate advantage for India?
A. It can use thorium in place of uranium for power generation
B. It can attain a global role in satellite navigation
C. It can drastically improve the efficiency of its fission reactors in power generation
D. It can build fusion reactors for power generation
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When did India test its first atomic bomb?
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The Indira Gandhi Atomic Research Centre is located in
A. Maharashtra
B. Tamil Nadu
C. Uttar Pradesh
D. Karnataka
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The device which converts AC to DC is
A. oscillator
B. amplifier
C. rectifier
D. None of these
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Identify the mineral not associated with atomic power.
A. Monazite
B. Thorium
C. Beryllium
D. Chromium
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The device used for measuring the wavelength of X-rays is
A. GM Counter
B. Cyclotron
C. Bragg spectrometer
D. Mass spectrometer
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Which of the following is an example of a thermonuclear fusion reaction?
A. Nuclear power generation
B. Hydrogen bomb
C. Both nuclear and hydrogen bombs
D. Nuclear bomb
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Which of the following scientists showed that matter can be converted into energy and energy into matter?
A. Robert Boyle
B. Albert Einstein
C. Joseph Proust
D. Jacques Charles
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Gamma rays have greatest similarity with
A. α-rays
B. β-rays
C. X-rays
D. UV-rays
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The audio signals of TV are
A. amplitude modulated
B. frequency modulated
C. unmodulated
D. velocity modulated
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Which of the following is not a fuel element?
A. Uranium
B. Thorium
C. Radium
D. Helium
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The electrons are emitted in the photoelectric effect fromametal surface
A. only if the frequency of the incident radiation is above a certain, threshold value
B. only if the temperature of the surface is high
C. at a rate that is independent of the nature of the metal
D. with amaximumvelocity proportional to the frequency of the incident radiation
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