Question
In a typing shop, Lalit can complete typing of a book in
9 days, while Amit can finish the same work in 8 days. How many days will they take together to complete the work?Solution
The correct answer is A
For a cell terminal potential difference is 3.5 V when circuit is open and reduces to 2.5 V when cell is connected to a resistance of R = 10Ω then...
A projectile is fired at an angle θ and reaches maximum height
H and range R. The angle between velocity and acceleration at the highest poin...
What is the name of the process by which a liquid changes into gas at all temperatures?
Which of the following materials is most suitable for marking electromagnetic and core of transformer?
What is the speed of sound in air at room temperature (approx)?
Which of the following is NOT a vector quantity?
The half-life of a radioactive substance is 5 hours. How much of the substance remains after 15 hours?
A sound wave has a frequency of 500 Hz and wavelength of 0.68 m. What is the speed of sound?
In a refrigerator, the cooling system should always be –
In MRI machine, which one of the following is used?
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