Questions

A curved mirror where the reflecting surface is curved inwards is called a

In a hydrogen atom, an electron moves in an orbit of radius 5.0 x 10-11 m with a speed of 2.2 x 106 m/s. What is the equivalent current? (Electronic charge = 1.6 x10-19 C)

What is the technology used in a compact disc?

Sri Lanka on 9 December, 2017 formally handed over the control of the southern deep sea port of Hambantota to which country for 99 year lease?

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

The velocity of an object is the rate of change of its position ______ respect to a frame of reference.

In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.

Decimate

If (x - 13)2 + (y - 4)2 = 0, then the value of y + xy - x ?

 Which organisation is a policy think tank of the Government of India, established with the aim to achieve Sustainable Development Goals and to enhance cooperative federalism by fostering the involvement of State Governments of India in the economic policy-making process using a bottomup approach?