1. What is the full form of ‘AM’ regarding to radio broadcasting?
Question Asked : SSC Section Officer (Commercial Audit) Exam 2007
(A) Amplitude Movement
(B) Anywhere Movement
(C) Amplitude Matching
(D) Amplitude Modulation
2. The atmospheric layer reflects radio waves is called
Question Asked : SSC CGL Prelim Exam 2005, 2008, SSC Combined Matric Level (Pre) Exam 2008, SSC GL Tier-I Exam 2013
(A) Ozonosphere
(B) Ionosphere
(C) Stratosphere
(D) Mesosphere
3. When a vehicle passes, TV reception gets distorted. This is because
Question Asked : SSC CPO Sub-Inspector Exam 2005
(A) metal reflects radio waves
(B) spark plug creates electromagnetic disturbances
(C) vehicle pollution affects the performance of the TV components
(D) modern vehicles use electro-ignition system
4. Why are we able to hear short wave broadcasts better than long wave broadcasts?
Question Asked : SSC Combined Graduate Level Prelim Exam 2004
(A) Short waves are more energetic than long waves.
(B) Short waves are unaffected by atmospheric disturbances.
(C) Short wave broadcasts are made by nearby radio stations.
(D) By convention, short waves are meant for long distances, whereas long waves are reserved for short distances.
5. Crookes tube is used to produce
Question Asked : SSC Combined Graduate Level Prelim Exam 2002
(A) Radio waves
(B) Micro waves
(C) X-rays
(D) Gamma rays
6. What is found in frequency modulation?
Question Asked : SSC Section Officer (Audit) Exam 1997
(A) Fixed frequency
(B) Fixed dimension
(C) Change in frequency and dimension
(D) Change in dimension only
7. Sending a frame to a group of stations is known as
Question Asked : SSC CGL Tier-I (CBE) Exam 2016
(A) Single casting
(B) Spreading
(C) Multicasting
(D) Casting
8. The commonly used coolant in refrigerators is
Question Asked : SSC CGL Tier-I (CBE) Exam 2016
(A) Ammonia
(B) Nitrogen
(C) Freon
(D) Oxygen
9. Energy travels from Sun to Earth through
Question Asked : SSC CGL Tier-I (CBE) Exam 2016
(A) conduction
(B) convection
(C) radiation
(D) modulation
10. Curie is an unit of
Question Asked : SSC CGL Tier-I (CBE) Exam 2016
(A) Radioactivity
(B) energy of Gamma rays
(C) intensity of Gamma rays
(D) work function
