CBSE Class 12 Physics Value Based Questions Set A

CBSE Class 12 Physics Value Based Questions Set A read and download in pdf. Value Based Questions come in exams for Physics in Class 12 and are easy to learn and helpful in scoring good marks. You can refer to more chapter wise VBQs for Class 12 Physics and also get latest topic wise very useful study material as per latest NCERT book for Class 12 Physics and all other subjects for free on Studiestoday designed as per latest Class 12 CBSE, NCERT and KVS syllabus and examination pattern

VBQ for Class 12 Physics All Chapters

Class 12 Physics students should refer to the following value based questions with answers for All Chapters in Class 12. These VBQ questions with answers for Class 12 Physics will come in exams and help you to score good marks

All Chapters VBQ Questions Class 12 Physics with Answers

                                         

VALUE BASED QUESTIONS (PHYSICS)

Q1 Sumit has a cable TV connection from a local cable operator. He buys a new TV and plans to call the operator for a new connection. However, his friend Amit , who is an engineer, tells him” there is no need to pay extra for a new connection , I can use a wire to connect your TV to the cable “Sumit refuses and says that he would rather get a proper and legal connection from the cable operator.

(a)What values (any two)have been demonstrated by Sumit in refusing the illegal connection? (1)

(b)Which band of frequencies transmit signals by reflection from ionosphere? What is the name given to this band? (1,1)

Q2 Scientists predict that a nuclear war will cause a severe nuclear winter and destroy all life on the planet.

(a) What is the cause of the above prediction by the scientists?Why? (1)

(b) Which human values would be violated if the nuclear holocaust takes place? (1)

(c) Which human values should be promoted in order to prevent such a nuclear war in future? (1)

Q3 Monika’s father requires financial assistance and is approached by a cell phone company to install a cell phone tower on the ceiling of his house. The company offers him a amount of Rs 40,000 per month. Monika in the meantime comes across a newspaper report which states that excessive cell phone signals can cause damage to the human body. It was found especially in some cases where the cell phone signals had greater intensity than the permitted values.

(a) What should be Monika’s advice to her father? Should he allow the installation of the tower at his house for financial gain? (1)

(b) What human values are demonstrated by Monika in giving this advice to her father? (1)

(c) Which human values are violated by the cell phone company in using cell phone signals of greater intensity than the permitted values? (1)

(d) Can you think of a possible reason why cell phone signals cannot be transmitted using atmospheric reflection? (1)

Answers

1 (a) Values are honesty, integrity, truthfulness, ethics

(b) The band is 1500kHz upto 30/40 MHz .These are called sky waves.

2(a) Cause of prediction is that nuclear war will cause heavy dust/debris which will stop the greenhouse effect responsible for maintaining the earth’s temperature.

(b)Value violated are Concern for life, care for environment, compassion

(c)Values which should be promoted are appreciation of other cultures and religions, Brotherhood, universal love, forgiveness, global awareness

3(a)Monika should advice her father against installation of the cell tower as it is possibly harmful to the health of her family.

(b)Values exhibited by her are caring (for the family), wisdom, consciousness, discrimination.

(c)Values violated by the cell phone company are ethics, responsibility , care for environment.

(d)Cell phone signals are not reflected back by the ionosphere as they have very high frequencies

Chapter 01 Electric Charges and Fields
CBSE Class 12 Physics VBQs Electric Charges and Fields
Chapter 02 Electrostatic Potential and Capacitance
CBSE Class 12 Physics VBQs Potential and Capacitance
Chapter 03 Current Electricity
CBSE Class 12 Physics VBQs Current Electricity
Chapter 04 Moving Charges and Magnetism
CBSE Class 12 Physics VBQs Effect Of Current and Magnetism
Chapter 05 Magnetism and Matter
CBSE Class 12 Physics VBQs Magnetism and Matter
Chapter 06 Electromagnetic Induction
CBSE Class 12 Physics VBQs Electromagnetic Induction
Chapter 07 Alternating Current
CBSE Class 12 Physics VBQs Alternating Current
Chapter 08 Electromagnetic Waves
CBSE Class 12 Physics VBQs Electromagnetic Waves
Chapter 09 Ray Optics and Optical Instruments
CBSE Class 12 Physics VBQs Ray Optics
Chapter 11 Dual Nature of Radiation and Matter
CBSE Class 12 Physics VBQs Dual Nature Of Radiation And Matter
Chapter 14 Semiconductor Electronics Materials Devices and Simple Circuits
CBSE Class 12 Physics VBQs Semiconductor Devices
Chapter 15 Communication Systems
CBSE Class 12 Physics VBQs Communication System

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CBSE Class 12 Physics All Chapters VBQs

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