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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
Exam TypeMASTER EXAM
Authenticity10002
creatorAnirudh(39271)

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

Answer:carotenoid


Question: Glycogen, starch and cellulose are polymers of :

Answer:glucose


Question: A particle moving with uniform speed.

Answer:may have uniform velocity


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

Answer:sonar


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

Answer:Mesh


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 ?

Answer:Parallel


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 :

Answer:caseium


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

Answer:Venus


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 :

Answer:toxins


Question: The waves used in sonography are :

Answer:Ultrasonic waves


Question: Water conduction takes place in mosses through:

Answer:parenchyma


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

Answer:Increase