Description : When a wave is reflected from a surface, energy is transferred. When is the transfer of energy greatest?
Last Answer : When the incident wave is nearly parallel with the surface.
Description : In a compression or longitudinal wave the particles of the medium are displaced in a direction to the direction of energy transport.?
Last Answer : Feel Free to Answer
Description : There is no net transfer of energy by the particles of the medium in which waves? -General Knowledge
Last Answer : The answer is 'Stationary waves'
Last Answer : answer:
Description : There is no net transfer of energy by the particles of the medium in which waves?
Last Answer : Stationary waves
Description : 1. There is no net transfer of energy by the particles of the medium in which waves? 2. Jaspal Rana is a distinguished athlete in which game? 3. Which provides the largest part of the ... having the same rainfall called? 20. Which Gupta king is famous for his courageous stand against the Hunas?
Last Answer : Answer : 1. Stationary waves 2. Shooting 3. Corporate businesses 4. 400 km 5. Kanishka 6. Turtle 7. President 8. Smelting 9. Pamir Plateau 10. Ilango 11. Chess 12. One 13. European 14. ... Tamil 16. In Parliament before being accepted 17. Battery 18. Internal borrowings 19. Isohyet 20. Skanda Gupta
Description : Do the particles of the medium in which a wave moves travel along with the wave? Explain with an example.
Last Answer : When a wave propagates in a medium, the particles of the medium vibrate about their mean position and the energy is transferred without transfer of the particles of the medium. For example: Take some water ... cork in it. When the water is disturbed, the cork moves up and down but not forward.
Description : Two particles of of a medium disturbed by the wave propagation are at `x_(1) = 0` and `x_(2) = 1 cm`. The wave is propagating in positive x-direction.
Last Answer : Two particles of of a medium disturbed by the wave propagation are at `x_(1) = 0` and `x_(2) = 1 cm`. The ... `y = (2) sin [(2pi)/(16)(24t-x)]cm`.
Description : In a compression wave do particles in the medium move?
Last Answer : Need answer
Description : The amplitude of a wave is ______. (i) the distance the wave moves in one second (ii). the distance the wave moves in one time period of the wave (iii) the maximum distance moved by the medium particles on either side of the mean position* (iv) the distance equal to one wave length
Last Answer : iii) the maximum distance moved by the medium particles on either side of the mean position*
Description : As a longitudinal wave moves through a medium, the particles of the medium: w) vibrate in a path parallel to the path of the wave x) vibrate in a path perpendicular to the path of the wave y) follow the wave along its entire path z) do not move
Last Answer : ANSWER: W -- VIBRATE IN A PATH PARALLEL TO THE PATH OF THE WAVE
Description : What occurs as energy is transferred through a wave?
Last Answer : Water particles are set in circular motion.
Description : An electric drill transfer some energy wastefully . aside from heat , what else carries the energy that is transferred wastefully?
Last Answer : sound waves
Description : Second law of thermodynamics is concerned with the (A) Amount of energy transferred (B) Direction of energy transfer (C) Irreversible processes only (D) Non-cyclic processes only
Last Answer : (B) Direction of energy transfer
Description : What is an energy that can be transferred from one object to another causing a change in temperature of each object? A. Power B. Heat transfer C. Heat D. Work
Last Answer : Heat
Description : The wild type E.coli cells are growing in normal medium with glucose. They are transferred to a medium containing only lactose as sugar. Which of the following changes take place? (a) The lac operon is ... ) E.coli cells stop dividing. (c) The lac operon is repressed. (d) All operons are induced.
Last Answer : (a) The lac operon is induced
Description : .As a wave travels down a spring, the amplitude slowly decreases. Why does this occur? A. The law of conservation of energy does not apply to waves. B. The energy is spread out along the entire ... due to friction as the particles in the spring rub against each other. E. all of the above
Last Answer : D. Some energy is lost due to friction as the particles in the spring rub against each other.
Description : Which of the following is not a unit of mass transfer co-efficient? (A) Moles transferred/ [(time) (area) (mole fraction)] (B) Moles transferred/ [(time) (area) (mass A/mass B)] (C) Moles transferred/ [(time) (area) (pressure)] (D) None of these
Last Answer : (D) None of these
Description : Pick out the wrong statement. (A) The condensing film co-efficient is about 3 times lower for vertical condenser as compared to the equivalent horizontal condenser for identical situation ( ... in a heat exchanger is controlled by the value of the film co-efficient, which is higher
Last Answer : (D) Overall heat transfer co-efficient in a heat exchanger is controlled by the value of the film co-efficient, which is higher
Description : Extended heat transfer surface like fins are used to increase the heat transfer rate. Fin efficiency is defined as the ratio of heat transferred across the fin surface to the theoretical heat transfer ... (C) Temperature of the fin end (D) Constant temperature equal to that of the base
Last Answer : (D) Constant temperature equal to that of the base
Description : Convective heat transfer, in which heat is transferred by movement of warmed matter is described by (A) Fourier's law (B) Newton's law of cooling (C) Fick's law (D) None of these
Last Answer : (B) Newton's law of cooling
Description : The SCSS account transferred one Post office to another post office a) Rs 5/- per lac will be charged where the deposit is Rs 1 lac and above b) Rs 10/- per lac will be charged where the deposit is Rs 1 ... No fee will be charged d) Both the A and B( The fee will be paid by cash through pay in slip
Last Answer : d) Both the A and B( The fee will be paid by cash through pay in slip
Description : Artificial Insemination means (a) artificial introduction of sperms of a healthy donor into the vagina (b) introduction of sperms of a healthy donor directly into the ovary (c) transfer of sperms of a ... of sperms of husband to a test tube containing ova. (NEET 2013) 40. The stage transferred
Last Answer : (a) artificial introduction of sperms of a healthy donor into the vagina
Description : If a government servant from whom a recovery is ordered , is transferred to the jurisdiction of disbursing officer a. recovery should be completed before his transfer . b. order of recovery should be passed on to that disbursing officer c. None of these
Last Answer : b. order of recovery should be passed on to that disbursing officer
Description : Transformation refers to a. Using A Virus To Transfer DNA Fragments. b. DNA Fragments Transferred Between Live Donor And Recipient Cells. c. The Formation of an F- Recombinant Cell. d. The Transfer of Naked Fragments of DNA
Last Answer : b. DNA Fragments Transferred Between Live Donor And Recipient Cells.
Description : The flow of a fluid when heat is transferred by convection. a. placidity b. mass flow c. convection current d. heat transfer
Last Answer : convection current
Description : Which of the following can be transferred under the Transfer of Property Act, 1882? a) An easement along with the dominant heritage b) Political pension c) Succession d) Stipends allowed to the civil pensioners of the Government
Last Answer : a) An easement along with the dominant heritage
Description : „Transfer Payments‟ are (a) Payments made to a factor of production ; (b) Payments transferred from one sector to another; (c) Payments made for no return service ; (d) Payments made by government of one country to another
Last Answer : (c) Payments made for no return service ;
Description : The velocity of a wave travelling in the air medium without transmission lines or waveguides(wireless) is a) 6 x 10 8 b) 3 x 10 8 c) 1.5 x 10 8 d) 9 x 10 8
Last Answer : b) 3 x 10 8
Description : When energy transfer to air what happens to the particles of air?
Last Answer : When energy is transferred to air, the molecules in the airbecome more excited. The energy causes the molecules to move aroundmore than they did before, which could cause an increase intemperature, among other things.
Description : What is the word Transfer of thermal energy when particles in a heated fluid rise?
Description : What refers to the transfer of energy from the more energetic particles of a substance to the adjacent less energetic ones as a result of interaction between particles? A. Conduction B. Convection C. Radiation D. Electrification
Last Answer : Conduction
Description : According to Clausis statement of second law of thermodynamics (a) heat can't be transferred from low temperature source to high temperature source (b) heat can be transferred for low temperature to ... to high temperature source without the aid of external energy (e) all of the above.
Last Answer : Answer : d
Description : What are Waves that move the particles of the medium parallel to the direction in which the waves are traveling called?
Last Answer : Longitudinal.An example of a longitudinal wave is sound. It pushes the mediumparticles forwards and backwards, parallel to the wave'sdirection.Transverse waves cause particles to move perpendicular to thewave. (E.g. visible light, x-rays, microwaves)
Description : Filter medium resistance is that offered by the (A) Filter cloth (B) Embedded particles in the septum (C) Filter cloth and the embedded particle collectively (D) None of these
Last Answer : (C) Filter cloth and the embedded particle collectively
Description : If an electric field is applied to a colloidal sol, the dispersed phase particles are found to move towards the electrode of opposite charge. If however, the dispersed phase is made stationary, the ... move in the opposite direction. What is the term used for such movement of dispersion medium ?
Last Answer : Ans. Electro osmosis.
Description : A bed of spherical particles (specific gravity 2.5) of uniform size 1500 μm is 0.5 m in diameter and 0.5 m high. In packed bed state, the porosity may be taken as 0.4. Ergun's equation for the above fluid-particle ... fluidisation velocity, VOM is (A) 12 mm/s (B) 16 mm/s (C) 24 mm/s (D) 28 mm/s
Last Answer : (B) 16 mm/s
Description : A bed of spherical particles (specific gravity 2.5) of uniform size 1500 μm is 0.5 m in diameter and 0.5 m high. In packed bed state, the porosity may be taken as 0.4. Ergun's equation for the above fluid-particle system ... What is the porosity of the fluidised bed? (A) 0.2 (B) 0.5 (C) 0.7 (D) 0.8
Last Answer : (C) 0.7
Description : Which one of the following statement is incorrect regarding the electromagnetic radiation? (A) These are produced by the motion of electric charge (B) The oscillation of charged particles sets up ... electric fields induce the changing magnetic fields in the surrounding medium (D) None of these
Last Answer : Answer: Option D
Description : What name is given to the visible light emitted when charged particles pass through a transparent medium with a velocity exceeding the velocity of light in the medium?
Last Answer : ANSWER: CERENKOV RADIATION
Description : How Radiation is the transfer of energy by which type of wave?
Last Answer : What is the answer ?
Description : In a longitudinal wave, the vibration of particles and the direction of wave are in
Last Answer : the same direction.
Description : The waves in which particles vibrate in the direction perpendicular to the direction of wave propagation are called
Last Answer : transverse waves.
Description : What are Waves that move the particles of the wave parallel to the direction the waves are traveling are called?
Last Answer : the distance between two corresponding parts of a wave is a waves
Description : What is the type of wave is reflected by particles in the ionosphere?
Description : How a water wave passes the particles that make up the water move?
Description : In which type of waves is the motion of the particles perpendicular to the direction of the wave is traveling?
Last Answer : transverse waves