Question

In: Chemistry

QUESTION 20 Which statement about electromagnetic radiation is not correct? a. All electromagnetic radiation is visible...

QUESTION 20 Which statement about electromagnetic radiation is not correct? a. All electromagnetic radiation is visible to the eye. b. Electromagnetic radiation consists of oscillating electric and magnetic fields. c. Electromagnetic radiation spans a very wide range of wavelengths from gamma rays to radio waves. d. The frequency and wavelength of electromagnetic radiation are related to each other. e. Electromagnetic radiation is emitted by all stars.

Solutions

Expert Solution

Dear student,

Please give a positive rating if satisfied with the answer.


Related Solutions

Which of the following is false about wavelengths of electromagnetic radiation
Which of the following is false about wavelengths of electromagnetic radiationa) Radiation with short wavelengths have high energies b) Energy does not depend on wavelength c) Radiation with long wavelengths have low energies d) Energy depends on wavelength
QUESTION 1 Which of the following statement is CORRECT about normalisation? A database that is not...
QUESTION 1 Which of the following statement is CORRECT about normalisation? A database that is not in at least third normal form cannot be implemented with MySQL. A database that is only in first normal form would breach the CAP theorem. Normalisation ensures consistent formatting, for example, that all the phone numbers would have the same number of digits. All of the above. None of the above. 0.5 points    QUESTION 2 Complete the four blanks in the following SQL...
Which statement about sponges is correct?
1.Which statement about sponges is correct?Sponges have two germ layers, which give rise to well-organized tissues.Sponges can only reproduce asexually by fragmentation or budding.Most sponges have bilateral symmetry.Sponges belong to the group of invertebrates known as cnidarians.Sponges are filter feeders.2.  Which are invertebrate chordates?tunicates onlylancelets onlyjawless fishes onlytunicates and lancelets but not jawless fishestunicates, lancelets, and jawless fishes
QUESTION 21 Which of the following is not a correct statement about the sliding-filament model of...
QUESTION 21 Which of the following is not a correct statement about the sliding-filament model of muscle contraction? A. Actin crossbridges detach from the myosin filaments with energy from ATP hydrolysis B. A major conformational change in relative size occurs within the sarcomere's zones and bands C. A muscle shortens or lengthens because the thick and thin filaments slide past each other D. The thick and thin filaments do not change length
a. what is meant by the electromagnetic spectrum of the solar radiation? which part is used...
a. what is meant by the electromagnetic spectrum of the solar radiation? which part is used by plants? b.what is alternative to pest control measure to spraying of insecticide? c. is there a difference between high response of plants and the plant adaption to environmental changes in the atmosphere?
The difficulty in determining cancer risks with electromagnetic radiation is: (Select all that apply) Impossible to...
The difficulty in determining cancer risks with electromagnetic radiation is: (Select all that apply) Impossible to accurately measure exposure A clear dose response relationship Ability to reproduce effects Consensus of risk/benefit ratio
Which statement is true about the differences between the endocrine and nervous systems? Select all correct...
Which statement is true about the differences between the endocrine and nervous systems? Select all correct answer choices. a. The endocrine system can create signals that last longer than the signals produced by the nervous system. b. The nervous system creates slower transmitting signals compared to the signals of the endocrine system. c. An endocrine cell can potentially reach more target cells with its signals than one neuron.
Which of the following is a correct statement about a concave mirror?
Which of the following is a correct statement about a concave mirror? All of the other choices are not correct.A light ray through the center of curvature ofthe mirror is reflected parallel to theprincipal axisA light ray directed to the center of the mirrorreturns in its own path.A light ray parallel to the principal axis isreflected back through the center of curvature.A light ray through the focal point isreflected parallel to the principal axis.When an object is placed beyond the center...
​Which statement A-D about chemical bonds is not correct?
Which statement A-D about chemical bonds is not correct? a. The attraction of the negatively charged electrons to the positively charged nuclei causes the electrostatic potential energy to decrease as two atoms come together. b. The repulsion of the negatively charged electrons with each other and the positively charged nuclei with each other causes the electrostatic potential energy to increase when the two atoms are very close together. c. As two atoms come together, the electrostatic potential energy goes through a minimum. The...
Select True or False for the following statements about electromagnetic waves. Visible light is often emitted...
Select True or False for the following statements about electromagnetic waves. Visible light is often emitted when valence electrons change their state. Gamma rays can be produced in transitions of an atomic nucleus from one state to another. Blue light has a longer wavelength than red. X-rays are produced by a glowing light bulb. The sun's radiation is most intense in the infrared region. Ultraviolet radiation causes common sunburn. A vertical automobile antenna is sensitive to electric fields polarized horizontally.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT