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].

(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.