### Velocity: Definition and Measurement

Velocity Speed in a particular direction is called Velocity. The units for velocity can be implied from the definition to be meters/second or in general......

### Vibratory Motion

Vibratory motion is a type of motion in which a particle moves to and fro about a fixed point. It occurs at a fixed point as......

### Periodic Motion: Experiment

Periodic motion is a physics term meaning the repetition of the same motion in the same amount of time. Observe the motion of the hand......

### Translational Motion

Translational Motion Translational motion is the movement of an object from one point to another through space. An example of this is a bullet fired......

### Define Triatomic Molecule (Non-linear type)

A triatomic Molecule non-linear molecule may rotate, about the three mutually perpendicular axes, as shown in Figure. Therefore, it possesses three degrees of freedom of rotation......

### Define Triatomic Molecule (Linear type)

In the case of triatomic molecule of linear type, the centre of mass lies at the central atom. It, therefore, behaves like a diamotic molecule......

### Define Diatomic Molecule

The diatomic molecule can rotate about any axis at right angles to its own axis. Hence it has two degrees of freedom of rotational motion......

### Applications of Refraction of Sound

It is easier to hear the sound during night than during day-time. During day time, the upper layers of air are cooler than the layers......

### What is Refraction of Sound

Refraction of sound or waves involves a change towards sound or waves as they pass in one medium to an additional. Refraction of the path......

### Applications of Reflection of Sound Waves

Applications of reflection of sound waves (i) Whispering gallery: The famous whispering gallery at St. Paul’s Cathedral is a circular shaped chamber whose walls repeatedly......

### What is Reflection of Sound?

The reflection of sound follows the law “angle of frequency equals angle of reflection”, it also called the law of reflection. Take two metal tubes......

### Characteristics of Progressive Wave

Characteristics of progressive wave: Each particle of the medium executes vibration about its mean position. The disturbance progresses onward from one particle to another. The......