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Science and Technology › Nobel Prizes
Who among the following scientists shared the Nobel Prize in Physics with his son?
(a)
Max Planck
(b)
Albert Einstein
(c)
William Henry Bragg
(d)
Enrico Fermi
(C)
Nobel Prize winning scientist James D. Watson is known for his work in which area?
Metallurgy
Meteorology
Environment protection
Genetics
(D)
Science and Technology › Nuclear Energy Technology
Who among the following discovered heavy water?
Heinrich Hertz
H.C. Urey
Bengali
Malayalam
(B)
In the year 2007, an earthquake led to massive radioactive water leakage in the largest nuclear plant in the world. In which country did it occur?
Germany
Canada
Japan
USA
Science and Technology › PhysicsXGeneral
Consider the following statements: 1. A widely used musical scale called diatonic scale has seven frequencies. 2. The frequency of the note Sā is 256 Hz and that of Nī is 512 Hz.
1 only
2 only
Both 1 and 2
Neither 1 nor 2
(A)
Which one of the following laser types is used in a laser printer?
Dye laser
Gas laser
Semiconductor laser
Excimer laser
Assertion (A): Radio waves bend in a magnetic field. Reason (R): Radio waves are electromagnetic in nature.
Both A and R are individually true and R is the correct explanation of A
Both A and R are individually true and R is not the correct explanation of A
A is true but R is false
A is false but R is true
Science and Technology › PhysicsXLight energy
Assertion (A): In the visible spectrum of light, red light is more energetic than green light. Reason (R): The wavelength of red light is more than that of green light.
Science and Technology › Renewable Energy Technology
Which of the following pairs in respect of power generation in India is/are correctly matched? 1. Installed electricity generation capacity: 100000 MW 2. Electricity generation: 660 billion kWh.
Science and Technology › Space ProgramsXIntl
Selene-1, the lunar orbiter mission, belongs to which one of the following?
China
European Union