Radiation has the smallest frequency-wave velocity

Assignment Help Biology
Reference no: EM13531154

1- wave velocity is related to
a- period b-wavelength c-amplitude d-all of these
2- wave amplitude is related to
a- wave velocity b- frequency c- energy d-wave length
3-which of the following radiation has the smallest frequency?
a- infrared b- visible c- ultraviolet d-x-rays
4-light can travel to the earth from a distant star but soundcannot.why is it?
a- light is an electromagnetic wave and sound requires amedium
b- the sun does not make sound
c- light is a longitudinal wave and sound is a transversewave
d-the statement is false both will travel in empty space
5- resonance occurs when
a- two different objects vibrate with different frequencies
b- two different objects produce beats
c- an object having certain natural frequency is set invibration by second object vibrating at that frequency.
d- an object produces a sound.
6- when oscillator is driven in resonance,
a- there are no standing waves
b-all natural frequencies are present
c- there is maximum energy transfer
d- any driving frequency may be used.
7-imags of objects are formed by lenses because of
a- refraction b-diffraction c-internal reflectn d-all ofthese
8- complete destructive interference occurs for two waves ofthe same amplitude and frequency when the waves are out of phaseby:
a- zero degree
b- 90 degrees
c- 180 degrees
d-360 degrees
9-what is the wavelength in meters of radio waves produced bya radio station with a frequency of 1400 KHz?
a- 2.1 X 10^7 m
b-2.1 X 10 ^12m
c- 4.23 X 10 ^14
d- 2.1 X 10^2m
10- what is the frequency in hertz of a sound wave( v=340 m/s)with wavelength of 0.20m?
a- 1.7 X 10^3 Hz
b- 17 X 10^3 Hz
c- 1.7 X 10^2
d- 68Hz
11- a series of ocean waves each 6.0m from crest tocrest moving past an observer at a rate of 2.0 waves per second haswhat speed?
a-3 m/s   b- 12 m/s   c- 33 m/s d- 720m/s
12- how many times greater is the speed of red light(700nm)than the speed of violet light(400nm) in a vacuum?
a- 1,100 nm    b- 300 nm   c- 175times   d- both have the same speed
13- how many times faster is the speed of light invacuum than the speed of sound in air?
a- 10^6 times
b- 10^ -6 times
c- 300 X 10^6 times
d- 300 times

14- the speed of light in diamond is 1.24 X 10^8 m/s. whatis the index of refraction of diamond?
a- 2.42 b-242 c- 0.41 d- 1.24
15- a particular material has an index of refraction of1.25. what percent of the speed of light in vacuum is the speed oflight in the material?
a- 125 %
b- 8%
c- 12.5 %
d- 80 %
16- an object is placed 8cm from a converging spherical lens.The general characteristics of the image for a lens witha focal length of f=12 cm.
a- real, inverted, and enlarged
b- virtual, upright, and enlarged
c- virtual, inverted and smaller
d- real , upright and smaller

17- a simple magnifying glass has a focal length of 6.0cm.an object is placed 4.0 cm from it. Give the characteristics of theimage.

a-      virtual, inverted andsmaller
b-     real, inverted and enlarged
c-      virtual, upright and enlarged
d-     real, upright and smaller

Reference no: EM13531154

Questions Cloud

Percentage of the white blood cell count differential : Under normal conditions, which cell accounts for the greatest percentage of the white blood cell count differential? Which of the follwing statements about the skin's role asbarrier to infectous microorganisms is false?
Clotting system results in the production : Activation of the clotting system results in the production of, A differential rise in which white blood cell is typicallyseen with viral infections?
Manifestation of local inflammation includes : which of the following exudates would be present inhightest concentration at the site of a persistent bacteria linfecltion? Manifestation of local inflammation includes
Describe how a hypoxic zone can be created : Describe how a "hypoxic zone" can be created. Please briefly explain why having the sickle cell anemia trait ptrotects against malaria infection. Describe the communication between a specific endocrine-gland cell and its target cell.
Radiation has the smallest frequency-wave velocity : wave velocity is related to, light can travel to the earth from a distant star but soundcannot.why is it? resonance occurs when, which of the following radiation has the smallest frequency?
Frequency of homozygous dominants in the next generation : Assume a population in Hardy-Weinberg equilibrium for a charactertrait with these genotypic frequencies: AA = 0.25,Aa = 0.50, and aa = 0.25. If you remove all thehomozygous dominants and allow the remaining population toreproduce (again under Hardy-W..
The pituitary growth hormone directly enhances growth : The pituitary growth hormone directly enhances growth of the, Evidence for the shorewardmovement of barrier islands comes from the existence of ____beneath the seaward side of many barrierislands.
Luteinzing hormone increases the synthesis : The follicle stimulating hormone, Luteinzing hormone increases the synthesis of
Gonadotropin stimulates and thyrotropin is released : Gonadotropin stimulates the, Thyrotropin is released by the ______gland to______oxygenconsumption

Reviews

Write a Review

 

Biology Questions & Answers

  Which of the following is ceullar funcitons

A 33 year old woman discovers a lump in her breast on her left breast on self examination. Her mother and sister both had breast cancer.

  What effect would each of the given encompass on synaptic

what effect would each of the following have on synaptic transmission? a administering a drug which inactivates

  Biology to organize living creatures

Explain the classification system used in biology to organize living creatures. Pick two organisms from each Kingdom and explain why they are placed in that kingdom.

  Find the amount of energy a mammal

find the amount of energy a mammal.

  Explain why do they differ if each has a plus configuration

which baltimore group are the retroviruses in? which baltimore group are the positive-stranded mrna bacteriophages in?

  Which of the following is not a feature of epithelium

Which of the following is not a feature of epithelium?

  In brief outline the steps comprised in a bacteriophage

briefly outline the steps involved in a bacteriophage plaque assay. a clear plaque would indicate which replication

  Use a different prepared bag for each variable tested

Use a different prepared bag for each variable tested. Label each bag with the variable being tested.

  How increase in carbon dioxide affect the heart

Describe how an increase in the carbon dioxide levels in the blood and interstitial fluid affects the heart, blood vessels, hemoglobin dissociation curve, and the respiratory system.

  Which of the following properties are not shared

Which of the following properties are not shared between facilitated diffusion transporters and "pumps"?

  How much weight a person will lose

Write a two-page double-spaced review of the diet that outlines the name of the diet, the purpose of it, the health claims it is making, how much weight a person will lose, and any special recommendations it makes.

  What is the difference between a cdna and a genomic library

When looking for a gene of interest, we often scan cDNA libraries. What is the difference between a cDNA and a genomic library? Can you think of situations in which we would probe a genomic library?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd