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IGCSE A Level Physics Certification Exam Tests

IGCSE A Level Physics Practice Test 54

# Channels Comparison MCQ (Multiple Choice Questions) PDF - 54

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The Channels Comparison Multiple Choice Questions (MCQ) with Answers PDF, Channels Comparison MCQs PDF Download e-Book Ch. 7-54 to solve IGCSE A Level Physics Practice Tests. Study Communication Systems quiz answers PDF, Channels Comparison Multiple Choice Questions (MCQ Quiz) to study online tutor courses. The Channels Comparison MCQs App Download: Free educational app for channels comparison, electron waves, nature and production of x-rays, modelling collisions, circular motion test prep for free online college classes.

The MCQs: Frequency of sky waves is; "Channels Comparison" App (Android & iOS) with answers: More than 3 MHz; Less than 3 MHz; Less than 2 MHz; Exactly 2 MHz; to study online tutor courses. Practice Communication Systems Questions and Answers, Google eBook to download free sample for colleges that offer certificate programs.

## Channels Comparison Questions and Answers : Quiz 54

MCQ 266:

Frequency of sky waves is

1. less than 3 MHz
2. more than 3 MHz
3. less than 2 MHz
4. exactly 2 MHz
MCQ 267:

Electrons show diffraction effects because their de Broglie wavelength is similar to

1. spacing between atomic layers
2. no. of atomic layers
3. nature of atomic layers
4. positioning of atomic layers
MCQ 268:

Wavelength of x-rays is in range

1. 10-8 to 10-13 m
2. 10-7 to 10-14 m
3. 10-10 to 10-15 m
4. 10² to 109 m
MCQ 269:

In a springy collision, if the fast moving trolley collides with a slow one, then the fast one will bounce back at speed of

1. slow one
2. less than slow one
3. more than slow one
4. with the same speed as before
MCQ 270:

Number of degree a complete circle represents is

1. 90°
2. 180°
3. 270°
4. 360°

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