Echo sound quiz, echo sound MCQs answers, GCE A level physics quiz 105 to learn online college physics courses. College and university courses MCQs, medical imaging quiz questions and answers, echo sound multiple choice questions to practice physics test with answers. Learn echo sound MCQs, career test on modeling gases - kinetic model, line spectra, understanding units, echo sound test prep for physics certifications.

Practice echo sound career test with multiple choice question (MCQs): change in speed of ultrasound causes, with choices reflection, diffraction, refraction, and image for online physics degree. Learn medical imaging questions and answers for scholarships exams' problem-solving, assessment test.

Echo Sound Quiz

MCQ: Change in speed of ultrasound causes

1. reflection
2. diffraction
3. refraction
4. image

C

Understanding Units Quiz

MCQ: Base unit among following is

1. Newton
2. Joule
3. Candela
4. Watt

C

Line Spectra Quiz

MCQ: When white light is passed through cool gases, spectra observed is called

1. line spectra
2. continuous spectra
3. emission line spectra
4. absorption line spectra

D

Modeling Gases - Kinetic Model Quiz

MCQ: If average kinetic energy of molecules is higher, then temperature of gas is

1. high
2. low
3. zero
4. infinite

A

Acceleration Calculations Quiz

MCQ: Force provided by breaking system of train if it is decelerating at rate of -3 ms-2 and having mass 10,000 kg is

1. -30,000 N
2. -40,000 N
3. -50,000 N
4. 30,000 N

A