Chemistry----Spectroscopy And Its Applications

                               Spectroscopy And Its Applications 2-marks/4-marks 1.      Define electromagnetic spectrum. 2.      Define spectroscopy. 3.      Define Wave number. 4.      What is chemical shift. 5.      Explain briefly the various types of molecular transitions. 6.      What is UV spectrum? Give various regions associated with UV spectrum. 7.      State Franck Condon Principle. Also explain its use. 8.      Define (a) Bathochromic Shift (b) Hypsochromic Shift 9.      Explain Isobestic...

Chemistry----Green Chemistry And Its Applications

Green Chemistry And Its Applications  2-marks/4-marks Q1. Define Green Chemistry. Why it is called so? Q2. What do you mean by Sustainable Development? Q3. Define (a) Pollution         (b) Toxicity Q4. State the 6 R’s (Reductions) Pointed out by Green Chemistry. Q5. Define Mass Efficiency Factor. Q6. Explain the concept of Atom Economy with example. Q7. Give an example of a reaction process having...

Chemistry----Water And Its Treatment

                               Water And Its Treatment                             2-marks/4-marks             1.   Why water is used as a medium in boilers? 2. Differentiate between External Treatment Method         and Internal Treatment Method. 3. Define Feed Water. 4. Define (a) Scales   (b) Sludge 5. State and explain the causes of formation of Scales and...

PTU Important Questions----Fibre Optics

       Physics: Important Questions related to chapter --Fiber Optics.  2-marks/4-marks Q1. Define Numerical aperture, Acceptance angle. Q2. Define Total Internal reflection of light Q3. State the basic principle behind fibre optics. Q4. What do you mean by attenuation in optical fibres? Q5. Define Normalized frequency / Define V-Number. Deduce an expression for       V-Number. Q6. Differentiate b/w single mode and multi mode optical...

PTU Important Questions----Theory Of Relativity

       Physics: Important Questions related to chapter --Theory Of Relativity.  2-marks/4-marks Q1. Define frame of reference. Q2. Explain the term time dilation. Q3. Explain the concept of Ether. Q4. Is earth an inertial frame? Explain briefly. Q5. State the postulates of special theory of relativity. Q6. Explain why a particle cannot move faster than velocity of light. Q7. Define (a) Proper Length   (b)...

PTU Important Questions----LASERS

                                   Physics: Important Questions related to chapter --LASERS.  2-marks/4-marks Q1. What is laser? Q2. What is holography? Q3. Explain how a laser light is different from ordinary light? Q4. Explain the terms:       1)Stimulated emission 2) Population Inversion 3) Optical Pumping       4)Stimulated absorption Q5. State any four methods of pumping a laser. Q6. Explain how a hologram differs from phtograph? Q7....

Magnetic Materials & Superconductivity

Physics: Important Questions related to chapter --Magnetic Materials and Superconductivity 2-marks/4-marks Q1. Derive the relation b/w Permeability and Susceptibility. Q2.State and explain the chief origin of magnetic moment for electrons. Q3. State any four characteristics of ferromagnetic materials. Q4. Define 1) Curie Temperature 2) Neel Temperature . Q5. Define 1) Remanence 2) Coericivity . Q6. What are ferrites? State few properties of ferrites....

PTU Important questions--EM Waves and Dielectrics

Physics: Important Questions related to chapter --EM Waves and Dielectrics. 2-marks/4-marks Q1. Define gradient of a scalar field.Give its physical significance. Q2. Define divergence of a vector field.Give its physical significance. Q3. Define curl of a vector field.Give its physical significance. Q4.What are solenoidal, irrotational and conservative fields? Q5. Derive relationship b/w electric field and electric potential. Q6. What is dielectric?Give its types....