Q. Freedom of molecular movement gives necessary

View solution

Q. It should be taken care of that twists must not bind fibers in a solid rod because it will destroy the

View solution

Q. Transverse strength is much less important because of

View solution

Q. Essential requirement in fibre structure is

View solution

Q. Oriented arrangement of molecules is achieved with help of

View solution

Q. In case of short fibers, there's a loss of

View solution

Q. One technique that is useful determining crystalline and non crystalline regions of material is

View solution

Q. Presence of liquid and solid state is evidence of

View solution

Q. When electromagnetic waves interact with matter, they are

View solution

Q. Larger scale molecular information can be obtained from

View solution

Q. By using polarized infrared, orientation can be determined in

View solution

Q. Oscillations of atom vary from maximum to minimum at right angle if infrared radiation is

View solution

Q. In infrared spectroscopy, radiation absorbed at certain frequencies yield structural information having wavelengths between

View solution

Q. Effects of photon energy are manifestated in

View solution

Q. Polyethene has a strong double peak at

View solution

Q. With help of infrared absorption, important thing that can be determined is

View solution

Q. Regions accessible to heavy water are

View solution

Q. While plotting variation in absorption and wavelength, point where frequency of electromagnetic waves corresponds to natural frequency of vibration, is called as

View solution

Q. Reciprocal of wavelength is

View solution

Q. At higher wavenumbers and weaker absorptions material that can be studied should be

View solution