Complete the following by choosing the correct answers from the bracket:
(a) A car is moving in uniform circular motion. The direction of friction between the tyres and the path is ............... [towards the centre / tangential to the path].
(b) When a ray of light passes from a denser to a rarer medium, its wavelength ............... [decreases / increases].
(c) The lid of a calorimeter minimises heat loss by ............... [convection / radiation].
(d) Quality of sound depends on its ............... [amplitude / waveform].
(e) A substance whose resistance becomes almost negligible at a temperature near absolute zero is called a ............... [semiconductor / superconductor].
(f) ............... radiation deviates minimum in a magnetic field [Alpha / Beta].
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(a) A car is moving in uniform circular motion. The direction of friction between the tyres and the path is tangential to the path.
(b) When a ray of light passes from a denser to a rarer medium, its wavelength increases.
(c) The lid of a calorimeter minimises heat loss by convection.
(d) Quality of sound depends on its waveform.
(e) A substance whose resistance becomes almost negligible at a temperature near absolute zero is called a superconductor.
(f) Alpha radiation deviates minimum in a magnetic field.