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: A non-electronic conductor is :


Question: The only plant cells without nuclei among the following are :

Answer:trecheid cells

Question: For which of the following substances, the resistance decreases with increase in temperature ?

Answer:Pure silicon

Question: When a running car stops suddenly, the passengers tends to lean forward because of :

Answer:inertia of motion

Question: Least audible sound for most of the human ear is :

Answer:0.00002 u bar

Question: The property which is seen in light wave but not in sound wave is :


Question: Consider the following statements about ultrasonic waves:
1. They can destroy insects. 2. They can clean clothes by removing dust 3. They can be used to treat diseases 4. They can control automatic doors
of the above statements:

Answer:All are correct