- Please solve this as early as possible.
(1). Light waves are electromagnetic waves that traval at 3. 00 x 10^8 m/s. The aye Is most sensitive to light having a wavelength of 5. 50 x 10^-7m. {a} Find the frequency of this light wave Hz =Β
Find Β the frequency Β of this light wave (HZ)
and its period(S).
2.The distance between two successive minima of a transverse wave is 3.00 m. Five full crest Intervals of the wave pass Β given point along the direction of travel everyΒ
14.2 s.
(a) Find the frequency of the wave HzΒ
(b} Find the wave speed m/sΒ
3.
A harmonic wave bs traveling slong a repe It is observed that the oscillator that generates the wave completes 36.0 vibrations In 35.0 s Also, a given maximum travels 430 cm along the rope in 9.0 s What Is the wavelength in cm ?
4.
A bat can detect small objects, such as an insect, whose size is approximately equal to one wavelength of the sound the bat makes. If bats emit a chirp at a Frequency of
8.54 x 10^4 Hz, and if the speed of sound in air is 343 m/s, what is the smallest Insect a bat can detect in mm ?
5. A cork on the surface of 5 pond bobs up and down two times per second an Hippies having a wavelength of 9.50 cm .If the cork is 11.5 m fram shore, how long does it take a tipple passing the cork to reach the shore ?
Β ( Β Β Β Β )S.
6. Ocean waves are traveling te the east at 4. 7 m/s with a distance of 19 m between crests. (a) With what frequency do the waves hit the front of a boat when the boat Is at anchor?
( Β Β Β Β Β ) HZΒ
(b) With what frequency do the waves hit the front of a boat when the boat Is moving westward at 1.5 m/s?Β
Β ( Β Β Β Β Β ) HZ
7.
A circus performer stretches s tightrope between two towers. He strikes ane end of the rope and sends a wave atong it toward the other tower He notes that It takes the
wave 0. 840 s to reach the opposite tower, 20.0 m away If s 1.00-m length of the rope has a mass of 0.260 kg, find the tension In the tightrope .
(Β Β Β Β Β Β Β Β Β Β Β ) N ?.
8.Β Transverse waves with a speed of 52. 0 m/s are to be produced on a stretched string A Β Β 5 .20-m length of string with a total mass of 0.0600 kg Is used.Β
{a) What is the required tension in the string?Β
( Β Β Β Β Β )N
(b} Calculate the wave speed in the string if the tension Is 8. 00 N.Β
Β Β ( Β Β Β Β Β Β )m/s . ?
9.A wave of amplitude 0 .53 m interferes with a second wave of amplitude 0 .19 m traveling in the same direction.Β
(a) What Is the largest resultant amplitude that can occur, and under what conditions will this maximum arise?Β
( Β Β Β Β Β ) mΒ
1.The two waves interfere destructively,Β
2.The two waves interfere constructively.Β
(b) What is the smallest resultant amplitude that cah occur, and under what conditions will this minimum arise?Β
( Β Β Β Β Β Β ) m
1.The two waves interfere destructivelyΒ
2.The two waves interfere constructivelyΒ
10.
A certain tuning fork vibrates at a frequency of 161 Hz while each tip of Its two prongs has an amplitude of 0. 724 mm .
(a) What ts the per od of this motlon?
(Β Β Β Β Β Β Β Β Β )ms .
(b) Find the wavelength of the sound produced by the vibrating fork taking the speed of sound in alr to be 343 m/s.
Β (Β Β Β Β Β Β Β Β Β ) m .
