When arrow is released form its bow, its energy is transformed from _____________________?
		A. heat energy to K.E
B. elastic P.E to K.E
C. elemical energy to elastic P.E
D. K.E to elastic P.E.
		A. heat energy to K.E
B. elastic P.E to K.E
C. elemical energy to elastic P.E
D. K.E to elastic P.E.
		A. Mean position
B. Extreme position
C. In between mean and extreme
D. All positions during SHM
		A. thickness of the film only
B. nature of the film only
C. angle of indidence only
D. all thickness nature and angle of incidence
A. it has squint eyes
B. it has light bulbs in its eyes provided by nature
C. it produces infrasonic sounds
D. it has large eyes with orbs directed forward, giving it binocular sight
		A. They are parallel vectors
B. They are anti parallel vectors
C. They are a perpendicular vector
D. They are rotated through 270°
		A. A unit of energy
B. A positively charged particle
C. A quantum of electromagnetic radiation
D. A unit of wavelength