Physics20 ss1

Physics20 ss1

10th Grade

14 Qs

quiz-placeholder

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Physics20 ss1

Physics20 ss1

Assessment

Quiz

Physics

10th Grade

Practice Problem

Medium

Created by

Nurudeen Sulaimon

Used 3+ times

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14 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The depolarising agent in a Leclanche cell is?

carbon rod

ammonium chloride

manganese (IV) oxide

zinc plate

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following statements explain why hot soapy water is more effective in cleaning oil-stained dishes?

The oil on the dishes repels the soap

soap and heat decrease the surface tension of oil

soap increases the surface tension of oil and water

Hot water increases the surface tension of oil

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The earpiece of a telephone handset converts energy from

electrical to sound

sound to electrical

sound to electrical

sound to radio wave

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Two identical cups containing the same volume of water at 45°C and 5°C, are left in a room at 25°C. Which of the following graphs correctly illustrates the variation of temperature with time?

A

B

C

D

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The length of an iron bar is 100cm at 20°C. At what temperature will its length increase by 0.01%? [Linear expansivity of iron = 1.2 x 10−5 °C−1]

48.0°C

38.0°C

28.3°C

23.0°C

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A 500 N box rests on a horizontal floor. A constant horizontal force is exerted on the box so that it moves through 8 m. If the coefficient of kinetic friction between the floor and the box is 0.22, calculate the work done on the box.

880J

440J

400J

110J

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the current-voltage characteristics shown below is that exhibited by an ohmic conductor?

Media Image
Media Image
Media Image
Media Image

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