Why Is Zn Not A Transition Element
Zinc (Zn) is not a transition element since it has partially filled (n-1) d subshells. It has an electronic configuration... View Article
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Is P Metal Or Nonmetal
Phosphorus (P) is a nonmetal. To know in detail about non-metals, visit BYJU’S.
What Kind Of Mixture Is Glucose
Glucose is a homogeneous mixture. To know in detail about the structure of glucose, visit BYJU’S.
Does Lialh4 Reduce Amides
Yes, Lithium aluminium hydride (LiAlH4) reduce amides to amines. To know in detail about amides, visit BYJU’S.
Are Esters More Acidic Than Amides
Yes, esters are more acidic than amides. To know in detail about amides, visit BYJU’S.
How Do You Remove Ripples From Dc
By using larger input capacitors, ripples can be removed from DC input. To know in detail about dc motor, visit... View Article
What Is The Difference Between Rc And Lc Filters
Difference between RC and LC filters RC Filter LC Filter It is used for small load currents. It is used... View Article
Which Application Uses Differentiator
A differentiator is used in electronic analogue computers, frequency modulators and analogue PID controllers. To know in detail about various... View Article
If Sec Theta 1 1 4 Then Tan Theta 2 Equals To
1) 1/3 2) 3/4 3) 1/4 4) 5/4 Answer: (1) 1/3 Solution: Given, sec θ = 1 1/4 = 5/4... View Article
If Cos Theta 3 5 And Cos Phi 4 5 Where Theta And Phi Are Positive Acute
1) 7/√2 2) 7/5√2 3) 7/√5 4) 7/2√5 Answer: (2) 7/5√2 Solution: Given, cos θ = 3/5 and cos Φ... View Article
Cot Square 15 Minus 1 Cot Square 15 Plus 1
1) 1/2 2) √3/2 3) 3√3/4 4) √3 Answer: (2) √3/2 Solution: (cot215° – 1)/(cot215° + 1) = [(1/tan215°) –... View Article
Cos Pi 11 Plus Cos 3pi 11 Plus Cos 5pi 11 Cos 7pi 11
1) -1/2 2) 1/2 3) 1 4) -1 Answer: (2) 1/2 Solution: cos π/11 + cos 3π/11 + cos 5π/11... View Article
The Value Of Tan 40 Plus Tan 20 Plus Root3 Tan 20 Tan 40 Is
1) √12 2) 1/√3 3) 1 4) √3/2 5) √3 Answer: (5) √3 Solution: 60° = 40° + 20° Taking... View Article
If 8 Cos 2theta Plus 8 Sec 2theta 65 0 Theta Pi 2 Then
1) -33/8 2) -31/8 3) -31/32 4) -33/32 Answer: (2) -31/8 Solution: 8 cos 2θ + 8 sec 2θ =... View Article
The Value Of 1 8 Of 3 4 Cos 2theta Cos 4theta Is
1) cos 4θ 2) sin 4θ 3) sin4θ 4) cos4θ 5) sin 4(θ/2) Answer: (3) sin4θ Solution: (1/8) (3 –... View Article
If Alpha Beta Are Solutions Of 6 Cos Theta Plus 8 Sin Theta 9 Then
1) 3/5 2) 4/5 3) 24/25 4) 12/13 Answer: (3) 24/25 Solution: Given, 6 cos θ + 8 sin θ... View Article
Cos Alpha Sin Beta Minus Gamma Plus Cos Beta Gamma Minus Alpha
1) 0 2) 1/2 3) 1 4) 4 cos α cos β cos γ Answer: (1) 0 Solution: cos α... View Article
The Expression Cos 6x 6 Cos 4x 15 Cos 2x 10 Cos 5x 5 Cos 3x 10 Cos X
1) cos 2x 2) 2 cos x 3) cos2x 4) 1 + cos x Answer: (2) 2 cos x Solution:... View Article
If Sin A Sin 2a X And Cos A Cos 2a Y Then X 2 Y 2
1) 2y 2) y 3) 3y 4) None of these Answer: (1) 2y Solution: Given, sin A + sin 2A... View Article
Sin B Plus A Plus Cos B Minus A Sin B Minus A Cos B Plus A
1) (cos B + sin B)/(cos B – sin B) 2) (cos A + sin A)/(cos A – sin A)... View Article
