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GyanMul Prep · NEB +2 · Science · Grade 12

Physics (Science, Grade 12)

Everything on these tabs is Physics (Science, Grade 12) only, within NEB +2 Science · Grade 12.

Science · Grade 12 subjects

GyanMul Prep · NEB +2 · Science · Grade 12

Physics (Science, Grade 12)

Everything on these tabs is Physics (Science, Grade 12) only, within NEB +2 Science · Grade 12.

Science · Grade 12 subjects

Chapter 7 of 25 · Physics (Science, Grade 12)

Mechanical Waves

4 topics
Board exam — Wave and Optics, 15 marks across 8 chapters
22 solved questions

The speed of a mechanical wave and what sets it — tension and mass per unit length in a string, and in a gas the correction Laplace had to make to Newton's formula before it agreed with measurement.

Practise this chapter Read solved questions

Topics

What the syllabus defines for this chapter

1Speed of a transverse wave in a stretched string
2Speed of sound in a solid, a liquid and a gas
3Newton's formula for the velocity of sound and Laplace's correction
4Effect of temperature, pressure and humidity on the velocity of sound