short and thick
short and thin
long and thick
long and thin
Correct answer is B
No explanation has been provided for this answer.
The amplitude of a wave is the
distance between two successive troughs of the wave
separation of two adjacent particles vibrating in phase
maximum displacement of the wave particle from the equilibrium position
distance travelled by a wave in a complete cycle of its motion
Correct answer is C
No explanation has been provided for this answer.
Which of the following statements is not correct about long sight?
A Iong-sighted person can see distant objects clearly
Light from a nearby object is focused behind the retina.
The eyeball is too short
The defect is corrected by using a diverging lens
Correct answer is D
No explanation has been provided for this answer.
60cm
30cm
20cm
15cm
Correct answer is C
No explanation has been provided for this answer.
has a greater amplitude than red light
is more intense than red light
travels more slowly than red light
deviates less than red light
Correct answer is A
No explanation has been provided for this answer.