Light Sensor Basics

Light Sensor Basics

3rd Grade

10 Qs

quiz-placeholder

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Light Sensor Basics

Light Sensor Basics

Assessment

Quiz

Computers

3rd Grade

Practice Problem

Easy

Created by

Ganesan M

Used 1+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does a light sensor work?

A light sensor works by detecting the presence or absence of light and converting it into an electrical signal.

A light sensor works by emitting light to detect objects

A light sensor works by analyzing sound waves

A light sensor works by measuring temperature changes

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main function of a light sensor on a microbit?

Play music

Measure temperature

Count steps

Detect the amount of light

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain the process of programming a light sensor on a microbit.

The process involves connecting the light sensor, writing a program in the microbit editor, initializing the sensor, detecting light level changes, and displaying corresponding outputs.

The light sensor on a microbit can only be programmed by professional engineers

Programming a light sensor involves using a microphone instead of a light sensor

The process involves connecting the light sensor and turning it on, no programming needed

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are some common applications of light sensors?

Pencil sharpeners

Bicycle tires

Automatic lighting systems, streetlights, security systems, photography equipment, solar panels

Toaster ovens

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to calibrate a light sensor?

To ensure accurate readings by adjusting the sensor to match the true light intensity in its environment.

To confuse the sensor with inaccurate data

To increase the sensor's weight

To make the sensor more visible

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Can light sensors detect colors or just light intensity?

Sound

Pressure

Colors

Temperature

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can light sensors help in energy conservation?

By emitting more heat than light

By increasing energy consumption

By detecting natural light levels and adjusting artificial lighting accordingly.

By blocking natural light sources

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