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What Does Solid State Mean

force acts on it.

Train moving on a track follows a straight line, hence it undergoes rectilinear motion. Visit BYJU’S – The Learning App... View Article

Formic acid is more acidic than phenol. Visit BYJU’S – The Learning App to know about the acidity of phenols.

Diamonds are found in the Earth’s mantle at depths between 150 to 250 kilometres. Diamonds originate under extremely high pressure.... View Article

1) -3 2) -5 3) -7 4) -9 Answer: (3) -7 Solution: Given, sin θ = 24/25 θ lies in... View Article

1) m 2) n 3) 2m 4) 2n Answer: (3) 2m Solution: Given, sin θ + cos θ = m... View Article

1) 1 2) 4 3) 2 4) None of these Answer: (3) 2 Solution: Given, sin θ + cosec θ... View Article

1) sin 1c < sin 1° 2) sin 1c > sin 1° 3) sin 1° = sin 1° 4) (π/180°)... View Article

1) 0 2) 1/2 3) 1 4) 2 Answer: (1) 0 Solution: Given, sin θ + cos θ = 1... View Article

1) sin θ = -1/5 2) cos θ = 1 3) sec θ = 1/2 4) tan θ = 20... View Article

1) θ is an acute angle 2) θ is a right angle 3) θ is an obtuse angle 4) No... View Article

1) sin2(α – β) 2) cos2(α – β) 3) 1 4) 0 Answer: (2) cos2(α – β) Solution: Given, cos(θ... View Article

1) 2nπ + π/2 2) (2n + 1)π – π/2 3) nπ + (-1)n π/2 4) None of these Answer:... View Article

1) θ = 2nπ ± π/4 + π/12 2) θ = nπ + (-1)n π/4 + π/12 3) θ =... View Article

1) [0, π/6] 2) [0, 5π/6] 3) [5π/6, 2π] 4) [π/6, 5π/6] Answer: (4) [π/6, 5π/6] Solution: Given, 4 sin2x... View Article

1) (0, π/4) 2) (π/2, 3π/4) 3) (π, 5π/4) 4) (3π/2, 7π/4) Answer: (1) (0, π/4) Solution: Given, sin x... View Article

1) nπ – π/4 2) nπ + π/4 3) nπ + (-1)n π/4 4) 2nπ ± π/4 Answer: (4) 2nπ... View Article

1) 0 2) 1 3) 2 4) ∞ Answer: (1) 0 Solution: Given, sin ex . cos ex = 2x... View Article

1) (π/4, π/2) or (π/2, π) 2) (-π/4, 0) 3) (π, 3π/2) 4) (3π/2, 2π) Answer: (1) (π/4, π/2) or... View Article

1) θ = 0 2) θ = π/3 or -π/3 3) θ = -π/6 4) θ = π/6 Answer: (2)... View Article