Multiple Choice
Speed at which stars and galaxies are moving away from us is determined by phenomena of
A) blue shift
B) yellow shift
C) red shift
D) orange shift
Correct Answer:
Verified
Correct Answer:
Verified
Q1: Electric and magnetic fields vary at angle
Q2: Energy of photon is directly related to
Q3: If the particles of medium vibrate at
Q4: According to Newton, the light travels as<br>A)particles<br>B)waves<br>C)both
Q5: Energy absorbed by electron is used in<br>A)escaping
Q7: Ranges of waves which overlap are<br>A)x-rays and
Q8: In electron diffraction, the rings behave as<br>A)particles<br>B)waves<br>C)both
Q9: Amount by which one oscillation leads or
Q10: Wave speed is directly proportional to<br>A)frequency<br>B)amplitude<br>C)wavelength<br>D)energy
Q11: High speed electrons from particle detectors are