Wave motion

Wave is the disturbance that propagates and transfers energy ............

فن العلوم عماد الششتاوي

• in the direction of propagation

• in the direction opposite to that propagation

• in a direction perpendicular to that of propagation

• no correct answer

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

In wave motion ..........

فن العلوم عماد الششتاوي

• (a) medium particles move

• ( b ) the waves moves carrying the energy

• ( c ) medium particles vibrate without transferring from their places

• ( b ) and ( c ) are correct

When hitting fork , the particles of air in touch with it .....................

فن العلوم عماد الششتاوي

• don't move

• Vibrate perpendicular to the direction of wave propagation

• vibrate in the direction of wave propagation with changing their places

• vibrate in the direction of wave propagation without changing their places

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

All the following are the properties of mechanical waves except .........................

فن العلوم عماد الششتاوي

• they are longitudinal or transverse waves

• They don't propagate through vacuum (space )

• they don't need a medium to propagate through

• water and sound waves are examples of these waves

............. is ( are) mechanical waves

• water wave only

• Sound wave only

• Light wave only

• Sound wave and water wave

Tags

NGSS.MS-PS4-1

Radio waves ...........

• are transverse mechanical waves

• are longitudinal waves

• Propagate through vacuum ( space )

• need medium to propagate through

All of the following are electromagnetic waves except. ............ waves

فن العلوم عماد الششتاوي

• Light

• Sound

• Microwave

• Radio

If the light speed is compared with the sound speed , which of these statement is correct ?

فن العلوم عماد الششتاوي

• light speed equals sound speed

• light speed is higher than sound speed

• Light speed is lower than sound speed

• There is no correct answer

Transverse waves consists of .............

فن العلوم عماد الششتاوي

• Compressions and rarefactions

• Troughs and rarefactions

• Crests and troughs

• Compressions and crest

Longitudinal waves consists of .............

فن العلوم عماد الششتاوي

• Compressions and rarefactions

• Troughs and rarefactions

• Crests and troughs

• Compressions and crest