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Fill in the blank with preposition. Did you watch the football _ T.V last night?

A preposition is a word or a set of words that indicates the location or some other relation between a noun or a pronoun and other parts of the... View Article

Name the two types of software.

The two types of software are: 1. System Software 2. Application Software Learn more: System and Application Software... View Article

Fill in the blank: I read news when I ____ free time

I read news when I have free time... View Article

Write 5 differences between wool and silk manufacturing.

The five difference between silk and wool are as follows: Silk Origin: Produced from cocoons of silkworms Fabrics: Fabrics like taffeta, chiffon,... View Article

A moving block having mass m collides with another stationary block having mass 4m. The lighter block comes to rest after collision. When the initial velocity of the lighter block is v, then the value of coefficient of restitution (e) will be (a) 0.5 (b) 0.25 (c) 0.4 (d) 0.8

Coefficient of Restitution (e) – e = (v2 - v1) / (u2 - u1) Ratio of relative velocity after collision to relative velocity before collision... View Article

An electric kettle takes 4A current at 220V. How much time will it take to boil 1 kg of water from room temperature 20⁰ C? (the temperature of boiling water is 100⁰C) (a) 12.6 min (b) 12.8 min (c) 6.3 min (d) 6.4 min

Given m = 1 kg = 1000 g specific heat capacity of water, s = 1 cal/g.0 C Heat required, Q = ms (ΔT) = 1000 x 1 x (100 – 20) We get, Q... View Article

Full form of S.S.L.C

Secondary School Leaving Certificate is the full form of S.S.L.C... View Article

Define uniform velocity and uniform acceleration?

The velocity of an object can be defined as the rate of change of the object’s position with respect to a frame of reference and time. The... View Article

What is dhekli irrigation system?

Dhekli is a tradition system of irrigation which is mainly found in rural areas. This irrigation is done manually. The person had to take out... View Article

Democracy is based on consultation and discussion. Explain this statement

Democracy is based on consultation and discussion. A democratic decision always involves many people, discussions and meetings and they are able... View Article

ordinate of a point is negative in___________ quadrant (a) I and II (b) II and III (c) III and IV (d) IV and I

Points that lie below the X-axis, have their y co-ordinates negative. So, III and IV quadrants have negative ordinates. Hence, correct answer is... View Article

Imagine an ideal environment where you would love to live. Draw the picture of your ideal environment.

I would love to live in an environment shown as below:... View Article

When a metal X is treated with cold water, it gives a basic salt Y with molecular formula XOH (Molecular mass = 40) and liberates a gas Z which easily catches fire. Identify X, Y and Z and also write the reaction involved.

X is Na because the molecular mass of NaOH is 40. Hence Y is NaOH Z is hydrogen gas which catches fire when reacts with water. The reaction... View Article

A wire elongates by l mm when a load W is hanged from it. If the wire goes over a pulley and two weighs W each is hung at the two ends, the elongation of the wire will be (in mm) (a) l/2 (b) l (c) 2 (d) zero

Y = (Force x L)/(A x l) = WL/Al l = WL/AY Due to the arrangement of the pulley, the length of wire is L/2 on each side and so the elongation will... View Article

The ion of an element has 3 positive charges. Mass number of the atom is 27 and the number of neutrons is 14. What is the number of electrons in the ion? (a) 13 (b) 10 (c) 14 (d) 16

Mass number (A) of the atom = 27 Number of the neutron in the atom =14 Number of Electrons=Mass number-Number of neutrons=27-14 Number of... View Article

__________supports combustion

oxygen is a neutral gas that supports combustion. As we know that combustion is reliant on a chemical reaction between oxygen and certain organic... View Article

At a certain place horizontal component is square root 3 times the vertical component the angle (a) 0 (b) π/3 (c) π/6 (d) none of these

Given BH = √3Bv tan = Bv / BH = Bv / √3Bv We get, = 1/√3 = tan 300 = 300 = π/6 Hence, the correct answer is π/6 i.e... View Article

What is the prefix of respect?

The prefix of respect is 'disrespect'. A Prefix is a word that is added at the beginning of the root word to form a new word. A prefix word does... View Article

Flowers showing basipetal succession are observed in (a) Caesalpinia and Clerodendrum (b) Jasmine and Gulmohar (c) Gulmohar and Caesalpinia (d) Clerodendrum and Jasmine

Basipetal succession is the arrangement of flowers on plant in which new flowers and buds are present at the bottom and the older flowers are... View Article

What is the molecular mass of magnesium hydroxide?

Molecular Weight of Magnesium hydroxide is 58.3197 g/mol.... View Article