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Engineering Physics Practice Test 233

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The Quiz MCQ: Radius of earth is; "Gravitational System Body Radii" App Download (Free) with answers: 6.96x108 m; 3.8x105 m; 6.37x106 m; 1x104 m; for easy enrollment online colleges. Learn Newtonian Gravitation Questions and Answers, Apple eBook to download free sample to study e-learning courses.

MCQ 1161:

1. 3.8x105 m
2. 6.96x108 m
3. 6.37x106 m
4. 1x104 m
MCQ 1162:

Directed lines perpendicular to the the wavefronts that indicates the direction of travel of wavefront is called

1. sound waves
2. rays
3. bulk modulus
4. unit vectors
MCQ 1163:

Electric field line extend away from

1. positive charge
2. negative charge
3. neutral charge
4. both positive and negative charge
MCQ 1164:

Angular wave number 'k' is equals to

1. 2πλ
2. λ/2π
3. 2π/λ
4. π/2λ
MCQ 1165:

Semimajor axis of planet Earth is

1. 15.0x1010 m
2. 5.79x1010 m
3. 22.8x1010 m
4. 10.8x1010 m