Which topology connects all nodes to one central hub?

If input frequency of a full wave rectifier be n, then output frequency would be-

What is the cause of hypermetropia?

A concave lens has a focal length 15 cm. If the object is placed at 30 cm from the lens, what is the image distance?

Which of the following statements best describes the relationship between static friction and the normal force?

The apparatus used in the refrigeration is

The Dimensions of “G” (Universal Gravitation Constant) is:

What is the pH of Urine ?

The Mud festival ‘Chikhal Kalo’ is celebrated in which state?

Velocity of the sound is minimum in-

Which of the following wind is also known as “ICE HEATER?”