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[Download] Applied Physics by H. R. Meena book for Polytechnic. Download Applied Physics Book for Polytechnic Full book PDF free

[Download] Applied Physics by H. R. Meena book for Polytechnic. Download Applied Physics Book for Polytechnic Full book PDF free. Download Applied Physics for Polytechnic. Download full book in PDF format.

Applied Physics by H. R. Meena, Dr. Neeraj Pant and Arjun Singh

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In book Detailed Contents/Syllabus

1. Measurement

  • Units and Dimensions
  • Fundamental and derived units, SI units, dimensions of physical quantities,dimensional formula and dimensional equation, principles of homogeneity of dimensions and application of homogeneity principle in:
    • Checking the correctness of physical equation.
    • Deriving relations among various physical quantities.
    • conversion of numerical values of physical quantities from one system unit into other system.
  • Errors In measurement, accuracy, estimation of percentage error in the result of measurement.

2. Waves

Generation of waves by vibrating particles, progressive wave, equation of waves, energy transfer by particles and waves, superposition of waves and it’s applications to interference, beats and stationary waves (graphical); sound and light as wave – range of frequencies, wavelengths, velocities and their nature, electromagnetic spectrum, Doppler effect.

3. Applications of Sound Waves

Acoustics

Reflection, refraction and absorption of sound waves by materials; definition of pitch, loudness, quality and intensity of sound waves, units of intensity (bel and decibel); eco and reverberation and reverberation time, control of reverberation time. Acoustic installation (qualitative treatment only of reverberation).

Ultrasonic

Production of ultrasonic waves by Magneto-stiction and piezoelectric effect, detection and properties of ultrasonic; applications to drilling, cold welding, cleaning, flaw detection and exploration (Sonar).

4. Light

Geometrical Optics

Defects in image formation, eyepieces construction and principles of preparation of telephoto and zoom lens, principle of optical projectors, optical principles of OHP and slide film projectors.

*Wave Optics

Interference of light waves; young’s experiment; Newton’s ring application of interface (plainness testing, measurement of small thickness), basic ideas about diffraction and polarization of light waves.

5. Laser and its Applications

Laser principle, types of lasers; detail study of the He-Ne and ruby lasers and their applications. Fluorescent tube; mercury arc light, xenon source, sodium lamp.

*6 Atomic structure and Energy levels

Bohr model of atomic structure; energy levels, ionization and excitation potentials. Energy levels of conductors, insulators and semiconductors. Atomic and crystal structure of silicon and germanium, covalent bonds, effect of temperature on conductivity of germanium and silicon.

7. Radioactivity and detection of Radiations

Natural radioactivity; half-life; decay constant; mean life; radioactive transformation. Principles of nuclear fission and fusion; energy generation. Source of background radiation; hazards of radiation. Units of radiation.

List of Precticals

  1. Use of vernier calipers and micrometre for determination of diameter of a wire.
  2. *Study of interference of sound waves using quincke’s tube.
  3. Study of of resonance in air column and determination of velocity and sound in air.
  4. To make a telescope by combination of suitable lenses and determine its magnifying power.
  5. *Measurement of small thickness by interference method (by Fresnel’s Biprism method).
  6. To make a compound microscope by suitable combination of lenses and determine its magnifying power.
  7. *To determine the wavelength of sodium light by Newton’s ring method.
  8. Setting and OHP using lenses and mirrors by its best performance.
  9. Determination of wavelength of various spectral lines and mercury lamp.
  10. Measurement of illumination level of a white surface under : natural delight, incandescent like and fluorescent light.
  11. To compare the intensity of illumination by Bunsen’s photometer.
  12. Study of diffraction of De-Ne laser beam by on a vernier scale and determination of its wavelength.
  13. To measure the first ionisation potential of Hg using a diode.

Note

*These Topics are not in syllabus of mechanical engineering.

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