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NECO Physics Practical Questions & Answers 2021/2022 – NECO Physics Practical Specimen

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NECO Physics Practical Questions and Answers 

 

NECO Physics Practical Specimen

 

Physics Practical Specimen 2021

Question 1

Retort Stand

Split cork Spiral spring

Mass hanger weighing 50g

Four 20g slotted masses

Stop clock or watch

One metre rule

Question 2

Four optical pins

Four thumb pins

Plain sheet/drawing paper

Plain mirror

Mirror holder

30cm ruler

Drawing board

Question 3

2 Ω covered and labeled X

Resistance box

Key/switch

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NECO Physics Practical Questions and Answers 2021

 

 

1(xii)

(i) I avoided drought by closing the window

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

(1bi)

Tabulate.

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NECO Physics Practical Questions & Answers

 

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

 

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(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

No 3

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(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

(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

(3bi)

(i)Free electrons

(ii)Protons and Electron

(iii)Electrons and ions

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2: (3a)

(xii)

(i)I ensured tight connections on all terminals

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

(3bi)Period refers to the amount of time it takes a wave to complete one full cycle of oscillation or vibration. Frequency, on the contrary, refers to the number of complete cycles or oscillations occur per second. Period is a quantity related to time, whereas frequency is related to rate. Period simply refers to the time for something to occur periodically, whereas frequency means how often that happens.

[2: 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

1. Thermodynamics, science of the relationship between heat, work, temperature, and energy. In broad terms, thermodynamics deals with the transfer of energy from one place to another and from one form to another.

2. THERMODYNAMIC SYSTEM: A system is defined as a region in space containing a quantity of matter whose behaviour is being investigated. This quantity of matter is separated from its surroundings by boundary, such as the walls of a vessel.

(3a)

(xii)

(i)I ensured tight connections on all terminals

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

(3bi)Period refers to the amount of time it takes a wave to complete one full cycle of oscillation or vibration. Frequency, on the contrary, refers to the number of complete cycles or

oscillations occur per second. Period is a quantity related to time, whereas frequency is related to rate. Period simply refers to the time for something to occur periodically, whereas frequency means how often that happens.

 (3bi)

(i)Free electrons

(ii)Protons and Electron

(iii)Electrons and ions

2: bi) 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.

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