Modern Physics QUESTIONS

Exam NameModern Physics QUESTIONS
DescriptionModern Physics QUESTIONS and Answers exams contains the questions from various competitive exams.These questions are the part of previous year paper.These kind of questions would be helpful in preparing for exams like IAS, PCS, UPSC, NDA, CDS SSC, RRB, PSC, IBPS

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Question: The pigment that protect plants from harmful effect of ultraviolet rays is :


Question: Glycogen, starch and cellulose are polymers of :


Question: A particle moving with uniform speed.

Answer:may have uniform velocity

Question: Device which uses sound waves for detection and ranging is called :


Question: What is the name of the network topology in which there are bi-directional links between each possible node ?


Question: Dry Ice is nothing but:

Answer:solid carbon dioxide

Question: What type of mirror is used in a view finding mirror of a vihicle ?

Answer:Convex mirror

Question: We received sunlight on earth surface. what type of light beams are these ?


Question: "Shock-absorbers" are usually made of steel as it:

Answer:has higher elasticity

Question: The function of ball bearings in a wheel is :

Answer:to convert kinetic friction into rolling friction

Question: The addition of gypsum to Portland cement helps in :

Answer:rapid settling of cement

Question: The propaation of sound waves in a gas involves:

Answer:adiabatic compression and rarefaction

Question: An atomic clock is based on transitions in :


Question: The messenger Satellite launched by NASA is to study :


Question: What changes will happen to a bowl of ice and water kept at exactly zero degree celsius?

Answer:No change will happen

Question: X-rays can be used:

Answer:to detect defect in precious stones and diamonds

Question: The harmful substances produced by the microbes are known as :


Question: The waves used in sonography are :

Answer:Ultrasonic waves

Question: Water conduction takes place in mosses through:


Question: When a bond is formed between two atoms, the energy of the system will :