Light travels fastest in A) Air B) Water C) Glass D) Diamond
Option A) Air
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The ascending order of strokes in four stroke engine is (A) Suction stroke – Expansion stroke – Compression stroke – Exhaust stroke (B) Suction stroke – Compression stroke – Expansion stroke -Exhaust stroke (C) Suction stroke – Expansion stroke Exhaust stroke Compression stroke (D) Suction stroke Compression stroke – Exhaust stroke – Expansion stroke
The ascending order of strokes in four-stroke engine is? Suction stroke – Expansion stroke – Compression stroke – Exhaust stroke... View Article
Which is the coldest and hottest layer of atmosphere?
The coldest layer of atmosphere is the mesosphere while the hottest layer of the atmosphere is thermosphere.
Determine the direction of the conventional current ?
The direction of the conventional current is from positive to the negative terminal of the battery.
A jet engine works on the principle of: i. Conservation of linear momentum ii. Conservation of kinetic energy iii. Conservation of angular momentum iv. Conservation of inertia Explain.
A jet engine works on the principle of conservation of? Linear momentum Angular momentum Energy Mass The correct option is... View Article
Diagram of cyclonic rainfall
The following diagram is a labelled diagram of cyclonic rainfall:
Which uses more energy, a 250 W TV set in 1 hr, or a 1200 W toaster in 10 minutes?
Power consumed by TV= 250W, Time (t) = 1hr =60×60 =3600s Power consumed by toaster = 1200W, Time (t) =... View Article
How can you make paper translucent
By nature, white paper is opaque and does not allow light to pass through it. Coating the paper with oil... View Article
How much does 1 score and 1 dozen result?
1 score and 1 dozen result are: 1 dozen = 12 1 score = 20
The atmospheric pressure held in terms of water column is a) 7.5 m b) 8.5 m c) 9.81 m d) 10.30 m
Option d) 10.30 m
If triangle ABC is an equilateral triangle such that ad perpendicular BC then ad^2= K(DC)^2 then find the value of k
If triangle ABC is an equilateral triangle such that AD is perpendicular to BC, the AD<sup>2</sup> is? 2 DC<sup>2</sup> 3... View Article
Find HCF of 36 and 48 using prime factorization method
The factors of 36 are: 1,2,3,4,6,9,12,18, and 36 The factors of 48 are: 1,2,3,4,6,8,12,16,24, and 48 The common factors between... View Article
34 : 12 :: 29 :?
Given: 34:12 That is 34=3×4=12 Applying the same for 29:? 29=2×9=18 Therefore, 29:18 34:12 :: 29:18
Verify the given equation
Verify the following: If x=30°, then sin 3x = 3 sin x-4 sin<sup>3</sup>x Solution: sin(3×30°)=sin 90° = 1 3 sin30°... View Article
Solve the given equation
The given equation is: x/2 – x/4 = x/3 + 1/2 x/2 – x/3 = 1/2 + 1/4 3x –... View Article
Two circles touch each other externally at P. AB is a common tangent to the circle touching them at A and B. What is the value of angle formed at APB?
Two circles touch each other externally at P. AB is a common tangent to the circles touching them at A... View Article
What is the relation between zeroes and coefficients of the given quadratic polynomial?
The given quadratic polynomial is x<sup>2</sup>-4 x<sup>2</sup>-4=0 Here a=1, b=0, c=-4 x<sup>2</sup>=4 x=±2 Therefore, the roots of the given quadratic... View Article
Which rational number has no reciprocal?
Zero is the rational number that has no reciprocal.
What is the formula of x3+y3+ z3–3xyz
Answer: The formula of x3 + y3 + z3 – 3xyz is written as \(\begin{array}{l}x^{3} + y^{3} + z^{3} –... View Article
Square root of 0.9 explain briefly
\(\begin{array}{l}sqrt{0.9}=?\end{array} \) It is also expressed as \(\begin{array}{l}sqrt{frac{9}{10}}\end{array} \) multiply by 10 on numerator and denominator side \(\begin{array}{l}sqrt{frac{9*10}{10*10}}\end{array} \) \(\begin{array}{l}sqrtfrac{90}{100}\end{array}... View Article
