Arrange EMR in increasing order of their wave length.
Microwave , X-rays , Radio Waves & UV rays
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Arrange the following elements in increasing order of their atomic radii: (a) Li,Be, F, N (b) Cl, At, Br, I
(a) F < N < Be < Li as the atomic radii decreases along a period. (b) Cl < Br < I < At as the atomic radii increases down a...
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Arrange the following elements in the increasing order of their metallic character Mg, Ca, K, Ge, Ga
Ge<Ga<Mg<Ca<K
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Identify the elements with the following property and arrange them in increasing order of their reactivity.
(a) Na or K (b) Ca (c) Hg Reactivity order: Hg < Ca < Na < K
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Soil has particles of different sizes. Arrange the words given below in increasing order of their particle size.
Rock > Gravel > Sand > Silt > Clay
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Arrange the following compounds in an increasing order of basic strengths in their aqueous solutions:
NH3 < (CH3)3N < CH3—NH2 < (CH3)2 NH.
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Arrange the following electromagnetic radiations in ascending order of their frequencies: (i) Microwave
In ascending power of frequencies: radiowaves, microwaves, ultraviolet rays, X-rays and gamma rays. Uses of Electromagnetic Spectrum (i) γ-rays are highly penetrating, they can penetrate thick iron blocks. Due to high...
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Arrange the following in descending order of wavelength: X-rays, Radio waves, Blue light, Infrared light
Radiowaves, Infrared light, Blue light, X-rays.
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Assertion (A): Radio waves bend in a magnetic field. Reason (R): Radio waves are electromagnetic in nature.
(d) Radio waves are a type of electromagnetic radiation.
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Arrange the following in the increasing order of C-C bond length- C2H6 , C2H4, C2H2.
C2H2 < C2H4 < C2H6
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Ozone layer in the outer atmosphere helps in: I. Reflecting radio waves and makes radio communication possible
The Right option is : (b) Only II
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