Crowdly

Додати до Chrome

Університети
um1campus.com
FY SET1R2 Physics (June 2025)

FY SET1R2 Physics (June 2025)

Шукаєте відповіді та рішення тестів для FY SET1R2 Physics (June 2025)? Перегляньте нашу велику колекцію перевірених відповідей для FY SET1R2 Physics (June 2025) в um1campus.com.

Отримайте миттєвий доступ до точних відповідей та детальних пояснень для питань вашого курсу. Наша платформа, створена спільнотою, допомагає студентам досягати успіху!

The machine which modified by the lever are

the wheel and axle.

Переглянути це питання

By the study of the energy value of foods

a normal man will gain about 1260 kcal of heat energy per hour.

food is essentially a source of energy for the body.

food protects the body from certain diseases.

food is not essentially a source which build up the body.

the daily intake of energy will not depend occupation and climate.

Переглянути це питання

The defibrillator is one of the standard items of emergency equipment in the hospital.

A small current through the heart can cause a sustained ventricular contraction.

It consists of a large resistor for energy storage.

It consists of a rectifier which stores energy on a large capacitor.

It is a high voltage device.

A small current through the heart can cause ventricular fibrillation

Переглянути це питання

The sound wave travels

faster in vacuum than in air

the same speed as light.

faster in warm air than cold air.

with the greatest speed in solid medium.

faster in cold air than warm air.

Переглянути це питання

By the study of audiogram for a normal hearing person ,

the threshold of hearing amplitude is about 1x10-10 cm.

the upper curve gives the faintest sound.

the ear is most sensitive to frequencies between 200Hz and 400Hz.

the lower curve gives the faintest sound.

the minimum intensity is 100 times greater than threshold at 200Hz.

Переглянути це питання

The temperature of a body in macroscopic sense,

a measure of average molecular potential energy.

indicator of the direction of heat energy flow.

indicator of the direction of kinetic energy and potential energy flow.

a measure of average molecular kinetic energy.

indicator of the direction of internal energy flow.

Переглянути це питання

The thermistor is

the mixture of metal oxide.

similar to the resistance thermometer

the resistance decrease with temperature increase.

the consists of a junction between two difference metal.

similar to the thermocouples.

Переглянути це питання

Evaporation takes place more quickly

when the number of molecules bouncing back is equal to leaving it.

when the surface area of the liquid is increased.

when the air above the liquid surface is blown.

when the temperature of the liquid is raised.

when the liquid is saturated vapor pressure equals the applied pressure.

Переглянути це питання

Ultrasonic waves consist of the frequencies above the range of human hearing.

Intensity of 103 Wm-2 is used in deep heating.

The source transducer converts ultrasound into electrical energy.

Echo techniques are the most of diagnostic uses of ultrasound.

Intensity of 10-2 Wm-2 is used for medical diagnostics.

Ultrasound wavelength cannot be enough to see needed detail.

Переглянути це питання

According to the bioelectric measurement and usage of electrical device,

a small current through the heart can cause ventricular fibrillation.

the artificial pacemaker generates the repetition rate of 60 to 70 per second.

the action of potential produced in the heart is the largest on the body.

the most widely used of the bioelectric measurements is the EEG.

a momentary large current through the heart can cause defibrillation.

Переглянути це питання

Попередня
1
2
3
4
5
Наступна

Хочете миттєвий доступ до всіх перевірених відповідей на um1campus.com?

Отримайте необмежений доступ до відповідей на екзаменаційні питання - встановіть розширення Crowdly зараз!

Додати до Chrome

Telegram Instagram TikTok Question Bank

Умови використання Зв'яжіться з нами

Додати до Chrome

Додати до Chrome