Physics ยท General Awareness

Physics Measuring Instruments

1,180 Questions

Physics measuring instruments are essential tools used to measure various physical quantities. This topic covers devices like hygrometers, oscilloscopes, and sphygmomanometers. It is a highly scoring section in general science and general awareness examinations.

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Physics Measuring Instruments Questions

Multiple choice

Which type of measuring tape is commonly used for long distance measurements?

  1. Tape measure

  2. Ruler

  3. Calipers

  4. Micrometer
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Tape measures are typically used for long distance measurements, as they can extend to several feet or meters.

Multiple choice

Which ground-based instrument is primarily used to observe solar flares and coronal mass ejections?

  1. Radio Telescope

  2. Magnetometer

  3. Ionosonde

  4. All-Sky Camera
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Radio telescopes are used to detect and study radio emissions from the Sun, including solar flares and coronal mass ejections.

Multiple choice

Which ground-based instrument is used to study the structure and dynamics of the ionosphere?

  1. Lidar

  2. Spectrometer

  3. Ionosonde

  4. Radio Telescope
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Ionosondes transmit radio waves vertically into the ionosphere and measure the time it takes for the waves to return, providing information about the ionosphere's structure and dynamics.

Multiple choice

What type of ground-based instrument is used to monitor the total electron content (TEC) in the ionosphere?

  1. Magnetometer

  2. Ionosonde

  3. GPS Receiver

  4. All-Sky Camera
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

GPS receivers can be used to measure the total electron content (TEC) in the ionosphere by analyzing the delay in GPS signals caused by the ionosphere.

Multiple choice

Which ground-based instrument is used to measure the direction and speed of the solar wind?

  1. Radio Telescope

  2. Magnetometer

  3. Ionosonde

  4. Incoherent Scatter Radar
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Incoherent scatter radars transmit radio waves into the ionosphere and measure the scattered signals, providing information about the direction and speed of the solar wind.

Multiple choice

Which ground-based instrument is used to measure the intensity and wavelength distribution of solar radiation?

  1. Radio Telescope

  2. Magnetometer

  3. Ionosonde

  4. Spectrometer
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Spectrometers are used to measure the intensity and wavelength distribution of solar radiation, providing information about the Sun's activity and the solar wind.

Multiple choice

Which ground-based instrument is used to measure the direction and speed of the solar wind using radio waves?

  1. Radio Telescope

  2. Magnetometer

  3. Ionosonde

  4. Incoherent Scatter Radar
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Incoherent scatter radars transmit radio waves into the ionosphere and measure the scattered signals, providing information about the direction and speed of the solar wind.

Multiple choice

What is the name of the device that is used to measure the force of gravity?

  1. Spring scale

  2. Balance scale

  3. Gravitometer

  4. Pendulum
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A gravitometer is a device that is used to measure the force of gravity. It works by measuring the acceleration of an object due to gravity.

Multiple choice

What is the name of the device that is used to measure the force of friction?

  1. Spring scale

  2. Balance scale

  3. Gravitometer

  4. Tribometer
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A tribometer is a device that is used to measure the force of friction. It works by measuring the force required to move one surface across another.

Multiple choice

What is the name of the device that is used to measure the work done by a force?

  1. Spring scale

  2. Balance scale

  3. Gravitometer

  4. Dynamometer
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A dynamometer is a device that is used to measure the work done by a force. It works by measuring the force and the distance through which the force is applied.

Multiple choice

What is the name of the device that is used to measure the energy of a system?

  1. Spring scale

  2. Balance scale

  3. Gravitometer

  4. Calorimeter
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A calorimeter is a device that is used to measure the energy of a system. It works by measuring the heat transferred to or from the system.

Multiple choice

What is the name of the device that is used to measure the acceleration of an object?

  1. Spring scale

  2. Balance scale

  3. Gravitometer

  4. Accelerometer
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

An accelerometer is a device that is used to measure the acceleration of an object. It works by measuring the force acting on the object and dividing it by the mass of the object.

Multiple choice

What is the name of the device that is used to measure the mass of an object?

  1. Spring scale

  2. Balance scale

  3. Gravitometer

  4. Mass spectrometer
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A balance scale is a device that is used to measure the mass of an object. It works by comparing the weight of the object to the weight of a known mass.

Multiple choice

Which site survey method involves using a resistivity meter to measure variations in the electrical resistance of the soil?

  1. Pedestrian Survey

  2. Remote Sensing

  3. Geophysical Survey

  4. Resistivity Survey
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Resistivity survey involves using a resistivity meter to measure variations in the electrical resistance of the soil.

Multiple choice

What is the primary function of a multimeter?

  1. Measuring voltage

  2. Measuring current

  3. Measuring resistance

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A multimeter is a versatile tool that can measure voltage, current, and resistance, making it useful for electrical troubleshooting and testing.