Which of the following layers make radio transmission possible? April 15, 2025 by admin A. Troposphere B. Ionosphere C. Mesosphere D. Stratosphere E. None of theseThe correct answer to the…
Which of the following explains the reason why there is no total eclipse of the sun? April 15, 2025 by admin A. Size of the earth in relation to that of moon B. Orbit of moon around earth C. Direction of rotation of earth around sun D. Area of the sun covered by the moon E….
Television signals are converted into light signals by___________? April 15, 2025 by admin A. Optical fiber B. Transistor C. Decoder D. Photo diode E. None of theseThe correct answer to…
Where do most of Asteroids lie? April 15, 2025 by admin A. In asteroid belt between the orbits of Mars and Jupiter B. In asteroid belt between the orbits of Mars and Venus C. In asteroid belt between the orbits of Jupiter and Venus D. Everywhere in the sky E. None of theseThe correct…
The number of spark plugs needed in a diesel engine is__________? April 15, 2025 by admin A. 2 B. 3 C. 0 D. 4 E. None of these
The half life of a radioactive element is 8-days. How long it take to reduce it from 10 mg to 5 mg? April 15, 2025 by admin A. 4 days B. 12 days C. 16 days D. 8 days E. None of theseThe correct answer to…
The term ‘Blue Shift’ is used to indicate? April 15, 2025 by admin A. Doppler effect in which an object appears bluer when it is moving towards the observer or observer is moving towards the object. B. Turning a star from white to blue C. In future sun would become blue D. Black hole was blue at its start E. None…
Monsoon is caused by____________________? April 15, 2025 by admin A. Seasonal reversal of winds B. Revolution of earth C. Movement of clouds D. Rise in temperature E. Rain forestsThe correct answer to…
Fuel used in a Fast Breeder Reactor is _____________? April 15, 2025 by admin A. Uranium Oxide B. Uranium Plutonium carbide C. Uranium Plutonium Oxide D. Uranium thorium Oxide E. None of theseThe correct answer…
Which of the following atmospheric layers help in radio communication? April 15, 2025 by admin A. Exosphere B. Ionosphere C. Troposphere D. Stratosphere E. Ozone layerThe correct answer to the question:…
