TS-EAMCET SERIES Chemistry
Electromagnetic Waves
7 previous year questions.
Volume: 7 Ques
Yield: Medium
High-Yield Trend
7
2024 Chapter Questions 7 MCQs
01
PYQ 2024
medium
chemistry ID: ts-eamce
Assertion (A): Silicones are used in surgical and cosmetic plants Reason (R): Silicones have high thermal stability
1
(A) and (R) are correct. (R) is the correct explanation of (A)
2
(A) and (R) are correct, but (R) is not the correct explanation of (A)
3
(A) is correct but (R) is not correct
4
(A) is not correct but (R) is correct
02
PYQ 2024
medium
chemistry ID: ts-eamce
Electromagnetic radiation has electric and magnetic field components. These two components:
1
have same wavelength , same frequency , same speed , and same amplitude
2
have same wavelength , same frequency , same speed , and different amplitude
3
have same wavelength , same frequency , same amplitude, and different speed
4
have same frequency , same speed , same amplitude, and different wavelength
03
PYQ 2024
medium
chemistry ID: ts-eamce
The correct order of reducing power of alkali metals in aqueous solution is
1
2
3
4
04
PYQ 2024
medium
chemistry ID: ts-eamce
The electron gain enthalpy (in kJ/mol) of oxygen, sulphur, selenium respectively are
1
2
3
4
05
PYQ 2024
medium
chemistry ID: ts-eamce
Identify the reaction in which hydrogen gas is not liberated
1
2
3
4
06
PYQ 2024
medium
chemistry ID: ts-eamce
Two statements are given below:
I. Sodium hexametaphosphate is used in calgon method for removal of permanent hardness of water
II. Lithium forms interstitial hydrides
Identify the correct answer
1
Both statements I and II are correct
2
Both statements I and II are not correct
3
Statement I is correct but statement II is not correct
4
Statement I is not correct but statement II is correct
07
PYQ 2024
medium
chemistry ID: ts-eamce
A message signal of peak voltage 12 V is used to amplitude modulate a carrier signal of frequency 1.2 MHz. The amplitude of the side bands is:
1
V
2
V
3
V
4
V