(1xii)
(i)i avoided drought by closing the window
(ii)i avoided error due to parallax when reading the meter rule

(1bi)
Tabulate.
-Period-
(i)is the time taken on complete one oscillation/circle or to.
(ii)unit is second (s)
(iii)it is Oscillation motion
(iv)it is when a body moves in a to and fro manner

-Frequency of oscillation-
(i)is the number of complete oscillation in one second
(ii) frequency; unit Hertz (Hz)
(iii)it is Rotation motion
(iv)it is when a body turns about an axis through the body

(1bii)
E= 25J
Extension= 6.7×10-²m
Force constant (k) = ?
E= 1/2ke²
2E = ke²
k = 2E/e²
k = 2x 25/(0.067)²
k = 50/0.00449

k = 11135.9Nm-¹

(3xi)
(i)I ensured tight connections
(ii) I avoided error due to parallax on the ammeter
(3bi)
(i)Free electrons
(ii)Protons and Electron

(iii)Electrons and ions

==2bi) A real image is formed outside the system, where the emerging rays actually cross; such an image can be caught on a screen or piece of film and is the kind of image formed by a slide projector or in a camera.

The image developed by a plane mirror is virtual and laterally inverted.

1xii)
(i)i avoided drought by closing the window

(ii)i avoided error due to parallax when reading the meter rule

(3xi)
(i)I ensured tight connections

(ii) I avoided error due to parallax on the ammeter

Monday 12th July 2021

• Paper I: Practical – Physics 10:00am – 12:45pm

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