Finding of Miller’s experiment on origin of life has provided evidence for the
Options
(a) theory of special creation (b) theory of organic evolution (c) theory of biogenesis (d) theory of abiogenesis
Correct […]
Choose the correct sequence of air pollution and its components with the effect it produces
Options
(a) chemical factory → NO₂ → ozone hole (b) automobile exhaust → N₂O → green house effect […]
The coherence of two light sources means that the light waves emitted have
Options
(a) Same frequency (b) Same intensity (c) Constant phase difference (d) Same velocity
Correct Answer:
Constant phase difference
Explanation:
Constant […]
Which of the following particles will have minimum frequency of revolution when projected with the same velocity perpendicular to a magnetic field?
Options
(a) Li⁺ (b) Electron (c) Proton (d) He⁺
Correct Answer: […]
A simple pendulum oscillates in a vertical plane. When it passes through the mean position, the tension in the string is 3 times the weight of the pendulum bob. What is the maximum displacement of […]
A particle moves with constant speed v along a circular path of radius r and completes the circle in time T. The acceleration of the particle is
Options
(a) 2πv/T (b) 2πr/T (c) 2πr²/T […]
A coil of 100 turns carries a current of 5 mA and creates a magnetic flux of 10⁻⁵ Wb. The inductance is
Options
(a) 0.2 mH (b) 0.3 mH (c) 2.0 mH (d) […]
A body of mass 2 kg is moved by a force F=3x where x is the distance covered. Initial position is x=2 m and the final position is x=10 m. The initial speed is zero. […]
Ethyl iodide when heated with sodium in dry ether gives pure
Options
(a) C₄H₁₀ (b) C₂H₆ (c) C₃H₈ (d) C₂H₅OH
Correct Answer:
C₄H₁₀
Explanation:
No explanation available. Be the first to write the […]
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