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Neco Gce 2022 November and December Physics Practical Expo

Posted by on November 7, 2022 0

  1. Paper I: Practical – Physics – 10:00am – 12:45pmPaper III & II: Objective & Essay – Government – 2:00pm – 4:40pm

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(3viii)

Slope, S = ΔZ/ΔR-¹

S = (0.84 – 1.28)/(0.6 – 0.29)

S = -0.44/0.31

S = -1.419

Intercept, c = 1.68

(3ix)

K = c-¹ = (1.68)-¹

K = 0.595

(3x)

(i) I avoided parallex error when reading the potentiometer

(ii) I ensured tight connections

(3bi)

A possible reason is wrong circuit connection

Solution: Check connections and ensure they are all tight.

(3bii)

I – Voltage

II – Current.

*NECO PHYSICS PRACTICAL*

(1bii)

Weight in Air = 2.9N

Weight in water= 1.3N

Relative Density= ?

Relative Density = Weight in Air/ Change in weight of water

R.D = 2.9/(2.9 – 1.3)

= 2.9/1.6 = 1.8125

Relative Density = 1.813 = 1.813

(3viii)

Slope, S = ΔZ/ΔR-¹

S = (0.84 – 1.28)/(0.6 – 0.29)

S = -0.44/0.31

S = -1.419

Intercept, c = 1.68

(3ix)

K = c-¹ = (1.68)-¹

K = 0.595

(3x)

(i) I avoided parallex error when reading the potentiometer

(ii) I ensured tight connections

(3bi)

A possible reason is wrong circuit connection

Solution: Check connections and ensure they are all tight.

(3bii)

I – Voltage

II – Current.

*NECO PHYSICS PRACTICAL*

(1bii)

Weight in Air = 2.9N

Weight in water= 1.3N

Relative Density= ?

Relative Density = Weight in Air/ Change in weight of water

R.D = 2.9/(2.9 – 1.3)

= 2.9/1.6 = 1.8125

Relative Density = 1.813 = 1.813

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