What is the escape velocity of a satellite launched from the earth’s surface? (Take g…
What is the escape velocity of a satellite launched from the earth’s surface? (Take g as 10ms-2 and…
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An electric heater takes 4A when operated on a 250V supply. What is the cost…
An electric heater takes 4A when operated on a 250V supply. What is the cost of the electricity…
An object 8cm in front of a plane mirror moves at a speed of 6cm…
An object 8cm in front of a plane mirror moves at a speed of 6cm s-1 away from…
Which is a fundamental unit?
Which is a fundamental unit? A. ampere B. joule C. Newton D. ohm E. watt Correct Answer: Option…
Which colour is deviated least when white light passes through a triangular prism?
Which colour is deviated least when white light passes through a triangular prism? A. green B. indigo C.…
In an operating X-ray tube, a high p.d is applied between the cathode and the…
In an operating X-ray tube, a high p.d is applied between the cathode and the anode for the…
The ability of the eye to focus on objects at various distances is known as
The ability of the eye to focus on objects at various distances is known as A. accommodation B.…
What is the angular velocity of an object in a horizontal circular path of radius…
What is the angular velocity of an object in a horizontal circular path of radius 1.5m with a…
A wave is represented by the equation y = 0.5 sin 0.4 Ω(X – 60t),…
A wave is represented by the equation y = 0.5 sin 0.4 Ω(X – 60t), where the distance…
The magnetic effect of a current-carrying coil is NOT utilized in the making of a/an
The magnetic effect of a current-carrying coil is NOT utilized in the making of a/an A. carbon microphone…