Manipal Entrance Test 2014 Physics Paper

Question : 46 of 60

Marks: +1, -0

A student performs an experiment for determination of g(=

4π2l

),l≈1m, and he commits an error of Δ l. For T he takes the time of n oscillations with the stop watch of least count ΔT and he commits a human error of 0.1 s. For which of the following data, the measurement of g will be most accurate?

Δl ΔT n Amplitude of oscillation
5 mm 0.2 s 10 5 mm
Δl ΔT n Amplitude of oscillation
5 mm 0.2 s 20 5 mm
Δl ΔT n Amplitude of oscillation
5 mm 0.1 s 20 1 mm
Δl ΔT n Amplitude of oscillation
1 mm 0.1 s 50 1 mm

Δl	ΔT	n	Amplitude of oscillation
5 mm	0.2 s	10	5 mm

Δl	ΔT	n	Amplitude of oscillation
5 mm	0.2 s	20	5 mm

Δl	ΔT	n	Amplitude of oscillation
5 mm	0.1 s	20	1 mm

Δl	ΔT	n	Amplitude of oscillation
1 mm	0.1 s	50	1 mm

Validate

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