Q. If an object is in equilibrium, all forces acting on it are

View solution

Q. Bottle openers, scissors and our arm are the examples of

View solution

Q. When a body is in equilibrium, the sum of clockwise moments about a pivot is equal to the

View solution

Q. The SI unit of amplitude is

View solution

Q. The number of complete waves produced per second is known as

View solution

Q. The SI unit of frequency is

View solution

Q. The height of a crest or depth of a trough measured from the rest position is referred as

View solution

Q. The maximum displacement from the rest or center point is known as

View solution

Q. The time taken for one point on the wave to complete one oscillation is known as

View solution

Q. The SI unit of period is

View solution

Q. The SI unit of wavelength is

View solution

Q. The shortest distance between any two points in a wave that are in phase is called

View solution

Q. When two points move in the same direction and have the same speed and same displacement from the rest position, they are said to be in

View solution

Q. Any two crests or toughs are always in

View solution

Q. The highest point o longitudinal wave is called

View solution

Q. A diagram constructed to locate the position and type of image formed by a thin converging lens is known as

View solution

Q. A magnifying glass is a

View solution

Q. To produce a real, inverted and diminished image on film, a camera uses

View solution

Q. A magnifying glass is used to make objects

View solution

Q. For each angle of incidence, the corresponding value of angle of reflection is

View solution