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Give Four Limitations of a Computerised Accounting System

The limitations of a computerised accounting system are as follows: High cost of training Service disruptions Failure of systems High... View Article

Give an Example to Explain the Meaning of ‘Stored’ and ‘Derived’ Attributes

Stored attributes are those attributes that are stored in the physical database for e.g date of birth. Derived attributes are those attributes... View Article

State the Primary Objective of Preparing a Cash Flow Statement

The primary objective of preparing a cash flow statement is to study and report the flow of cash and cash equivalents of a business during an... View Article

Give the Meaning of ‘Debentures Issued as Collateral Security’

It refers to a second line of security that is applicable for the original loan taken by the company. If such a situation arises that the... View Article

Earthquakes occur all the time all over the world. (True or False)

Answer: True The statement is true; it is impossible to anticipate when an earthquake will occur. An earthquake is defined as the shaking of... View Article

If a charged plastic straw is brought near another uncharged plastic straw, what will happen?

Answer: When a charged plastic straw is brought close to the uncharged plastic straw, it will attract uncharged plastic straw because charges of... View Article

‘Avoid plastics as far as possible’. Comment on this advice.

Answer: Plastic is defined as a material that contains as an essential ingredient an organic substance of large molecular weight. It is also... View Article

‘Manufacturing synthetic fibres is actually helping conservation of forests’. Comment.

Answer: Synthetic fibres are made only from polymers found in natural gas and the by-products of petroleum. Some synthetic fibres are listed... View Article

(4/3m – 3/4n)² + 2mn = 16/9 m² + 9/16 n²

Answer: LHS = (4/3m - 3/4n)2 + 2mn RHS = 16/9 m2 + 9/16 n2 Consider (4/3m - 3/4n)2 Using the identity (a - b) 2 = a2 + b2 - 2ab (4/3m - 3/4n)2... View Article

A ball of dough is rolled into a flat chapatti. Name the force exerted to change the shape of the dough.

Answer: The muscular force applied by the hand changes the shape of the dough. Muscular power is the power applied to utilize portions of the... View Article

A boy rolls a rubber ball on a wooden surface. The ball travels a short distance before coming to rest. To make the same ball travel longer distance before coming to rest, he may (a) spread a carpet on the wooden surface. (b) cover the ball with a piece of cloth. (c) sprinkle talcum powder on the wooden surface. (d) sprinkle sand on the wooden surface

Answer: (c) sprinkle talcum powder on the wooden surface. The frictional force will be reduced by using talcum powder, allowing the ball to... View Article

A brick is kept in three different ways on a table as shown in figure. The pressure exerted by the brick on the table will be (a) maximum in position A (b) maximum in position C (c) maximum in position B (d) equal in all cases

Answer: (a) maximum in position A Position A will have the highest pressure since the area of contact is the smallest, and the area is inversely... View Article

A carnivore with stripes on its body moves very fast while catching its prey. It is likely to be found in (i) polar regions (ii) deserts (iii) oceans (iv) tropical rainforests

Answer: (iv) tropical rainforests The animal described in the question, a carnivore with stripes on its body that moves very quickly while... View Article

A chapati maker is a machine which converts balls of dough into chapati. What effect of force comes into play in this process?

Answer: The force on the unit area is called pressure, which works on the chapati. This is the pressure that the machine applies to the dough... View Article

A child staying in a coastal region tests the drinking water and also the seawater with his tester. He finds that the compass needle deflects more in the case of seawater. Can you explain the reason?

Answer: The concentration of dissolved salts in seawater is higher than in drinking water. As a result, seawater will be a greater conductor... View Article

A father and son pushed their car to bring it to the side of the road as it had stalled in the middle of the road. They experienced that although they had to push with all their might initially to move the car, the push required to keep the car rolling was smaller, once the car started rolling. Explain.

Answer: Frictional force refers to the force generated by two surfaces that contact and slide against each other. Friction is caused due to the... View Article

A forest is a purifier of __ and _

Answer: A forest is a purifier of air and water. By absorbing carbon dioxide and releasing oxygen, forests assist to cleanse and enhance the... View Article

A gas-filled balloon moves up. Is the upward force acting on it larger or smaller than the force of gravity?

Answer: The upward force is larger than the force of gravity. Each body in this universe attracts other bodies towards itself with a force... View Article

A girl is pushing a box towards the east direction. In which direction should her friend push the box so that it moves faster in the same direction?

Answer: Her friend should push the box in the direction of East, where it will begin to move faster as the magnitude of force increases. Force... View Article

A list of mediums is given below. (i) wood (ii) water (iii) air (iv) vacuum In which of these mediums can sound travel? (a) i & ii only (b) i, ii & iii only (c) iii & iv only (d) ii, iii & iv only

Answer: (b) i, ii & iii only To travel, sound required a medium. Sound cannot travel in a vacuum because there is no medium to transmit sound... View Article

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