Speed of air
Mass number
Radioactivity
Valence
A device used for converting a.c. into d.c. is called
A device which is used to limit the current in an electrical circuit is called a
A diagnostic technique commonly known as Ultrasound is based on recording
A double convex glass lens of focal length f and having a circular aperture is cut into two halves, each having a semicircular aperture. The focal length of each half is
A drop of liquid assumes spherical shape because
A dynamo is a device which
A dynamo is used to convert
A falling drop of rain water ac-quires the spherical shape due to
A falling drop of rain water acquires the spherical shape due to
A fixture is defined as a device which
