1
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33
Assertion : In ionospheric reflection, phase change does not occur with the radio wave.
Reason : The ionosphere reflection is similar to the total internal reflection in miraj.
2
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33
Assertion : Amplitude modulation shows more interference than frequency modulation with noise.
Reason : Interference is function of amplitude of modulation wave with carrier-wave.
3
AIIMS 2018
MCQ (Single Correct Answer)
+1
-0.33
A diode detector is used to detect and amplitude modulated wave of 60% modulation by using a condenser of capacity 250 pF in parallel with a load resistance 100 k$$\Omega$$. Find the maximum modulated frequency which could be detected by it.
Questions Asked from Communication Systems (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
AIIMS Subjects
Physics
Mechanics
Units & Measurement Motion in a Straight Line Motion in a Plane Laws of Motion Circular Motion Work, Energy and Power Center of Mass and Collision Rotational Motion Gravitation Properties of Matter Heat and Thermodynamics Oscillations Waves
Electricity
Electrostatics Current Electricity Capacitor Moving Charges and Magnetism Magnetism and Matter Electromagnetic Induction Alternating Current
Optics
Modern Physics
Chemistry
Physical Chemistry
Some Basic Concepts of Chemistry Structure of Atom Redox Reactions Gaseous State Chemical Equilibrium Ionic Equilibrium Solutions Thermodynamics Electrochemistry Chemical Kinetics Nuclear Chemistry Solid State Surface Chemistry
Inorganic Chemistry
Periodic Table and Periodicity Chemical Bonding and Molecular Structure Processes of Isolation of Elements s-Block Elements Hydrogen p-Block Elements d and f Block Elements Coordination Compounds Environmental Chemistry
Organic Chemistry
Biology
Botany
Biomolecules Cell Cycle and Cell Division Sexual Reproduction in Flowering Plants Microbes in Human Welfare Anatomy of Flowering Plants Transport in Plants Mineral Nutrition Respiration in Plants Biotechnology: Principles and Processes Biodiversity and Conservation Biological Classification Morphology of Flowering Plants Photosynthesis in Higher Plants Principles of Inheritance and Variation Molecular Basis of Inheritance Strategies for Enhancement in Food Production Biotechnology and It's Applications Organisms and Populations Environmental Issues Plant Kingdom Plant Growth and Development Ecosystem
Zoology