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(1.1) A wave of wavelength 0.6 cm is produced in air and it travels at a speed of 300 m s⁻¹. Will it be audible?
(1.2) Define Curie temperature.
(1.3) Why is steel used for making permanent magnets?
(1.4) What is a chemical bond?
(1.5) Write the chemical formula of bleaching powder.
(1.6) What is galvanisation?
(1.7) Define the cell.
(1.8) What are the main components of food?
(1.9) What are the main functions of root hair in plants?
(1.10) What is done in phishing or e-mail spoofing?
(1.11) What is the usual format of an e-mail address?
(1.12) Android, Fedora, Windows and iOS are names of what?
(1.13) Write the equation x = 2y in the form ax + by + c = 0, and find the values of a, b and c.
(1.14) Multiply 7√5 by 3√5.
(1.15) What is the formula to find the class-mark of a class interval?
This is Question 1 from MPPSC Mains 2021 (GS-III). It carries 90 marks with a word limit of 10 words.
MPPSC Mains requires structured, analytical answers. Keep your answer within 10 words: focus on key arguments, relevant examples, and a clear conclusion. Practice more questions from all MPPSC Mains papers.