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Start learning 50% faster. Sign in nowThe phrasal verb ‘call after’ means ‘Give a newborn baby the same name as someone else.’. The correct phrasal verb is ‘call out’, which means ‘to ask someone to come in order to do a job, especially when it is an emergency’. The school would make headlines six years later, as the Governor called out the Arkansas National Guard to prevent its integration.
A concave mirror forms a real, inverted image of an object placed beyond its focus. What happens if the object is moved closer to the mirror but still b...
The refractive index of glass is 1.5. What is the speed of light in glass?
(Speed of light in vacuum is 3.0 ×108 m s-1)
Consider the following two statements
(A) Kirchhoff's junction law follows from the conservation of charge.
(B) Kirchhoff's loop law follo...
The dimension of which of the following is the same as that of impulse?
For CE-transistor amplifier, the audio signal voltage across the collected resistance of 3 k Ω is 3V. Assume the current amplification factor of the t...
A string of length L is fixed at both ends. It supports a standing wave with 3 antinodes. If the speed of the wave on the string is v, what is the freq...
In order to investigate the internal atomic structure of crystals, we make use of:
If radius of earth is R then the height ‘h’ at which the value of ‘g’ becomes one-fourth is-
When do spring tides occur?
What is the momentum of an object of mass 1/2 m, moving with a velocity of 2V?