BSc Physics SEM IV 2018 19 May 2018-19 PHYSICS PAPER III Question Paper - Mumbai University | munotes

Questions asked in this paper

• (2) Figures to the right indicate maximum marks

1. Q2 A) Attempt any one 1 What is Urbanization? Discuss impact of urbanization and disposal of Industrial Waste on Environment 2 What is Seismology? What are seismic waves? What are the different types of 8 marks
   • B) Attempt any one 1 What is continental drift? Explain the various theories given for its cause 2 What is Geophysics? What are the different branches of Geophysics any one of them in detail 8
   • C) Attempt any one 1 What is Polar Wandering? Explain 2 and labeled diagram of an absolute gravimeter 4
2. Q3 A) Attempt any one 1 Write short notes on different registers in 8085 microprocessor 2 are the different addressing modes used in 8085 programming language Explain in brief with an example for each mode 8 marks
   • B) Attempt any one 1 Five data bytes are stored in consecutive memory locations. Write an assembly language program for 8085 microprocessor for adding these data bytes and storing sum and carry (if any) in the next two consecutive locations 2 Write 8085 instructions for the following 8
   • i) Load the register C with the data 56h
   • ii) Copy the data in accumulator
   • iii) Load HL register pair with the memory address 2050h
   • iv) Increment data in register C by
   • v) Add the data in register C to the data in accumulator
   • vi) Copy the sum in Accumulator in the memory location specified by
   • vii) Increment the memory location by 1.( go to next memory location)
   • viii) Do not perform any operation
   • C) Attempt any one 1 Write a program to subtract a data byte 37h from 48h, What is the status of 2 State op-code, operand and number of bytes required in each of the following 4
3. Q4 A) Attempt any one Explain the properties of a, B and y radiations 2 What is digital communication? What are the advantages of digital signals over 8 marks
   • B) Attempt any one 1 What is Radiotherapy? Explain the different ways of Radiotherapy 2 Explain Super-Heterodyne receiver along with suitable block diagram 8
   • C) Attempt any one It is required to limit radiation dose of a radiation for the worker to | How long can he stay in mSv/hr radiation field? 2 What is the maximum length of antenna required for FM transmission which is Attempt any Four (20) a neat and labeled diagram of proton 2 Draw a neat diagram of Earth’s four major layers in brief address bus and data bus 4 the functions of following instructions with examples 5 Explain Ionization detector and Scintillation detector, 6 Explain the structure of simplex and duplex transmission 4

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