Using the Remainder Theorem find the remainders obtained when x³ + (kx + 8)x + k is divided by x + 1 and x - 2.

Hence find k if the sum of the two remainders is 1.

1. In a cathode ray tube what is the function of anode?
2. State the energy conversion taking place in a cathode ray tube.
3. Write one use of cathode ray tube

A music system draws a current of 400 mA when connected to a 12 V battery.

(i) What is the resistance of the music system?
(ii) The music system is left playing for several hours and finally the...

Name the gas evolved when the following mixtures are heated:

1. Calcium hydroxide and Ammonium Chloride
2. Sodium Nitrite and Ammonium Chloride

You have a choice of three metals A, B and C, of specific heat capacities 900 Jkg^{- 1o}C^-1, 380 Jkg^-1oC^-1 and 460 Jkg^-1oC^-1 respectively, to make a calorimeter. Which material will you select?...

From a solid wooden cylinder of height 28 cm and diameter 6 cm, two conical cavities are hollowed out. The diameters of the cones are also of 6 cm and height 10.5 cm. Taking π = 22/7 find the volume of...

Give a reason: Copper is used to make electric wires

Differentiate between Mineral-based Industry and Agro-based industry giving one example for each

The element with highest ionization potential is:

1. Hydrogen
2. Caesium
3. Radon
4. Helium

The layer of the eyeball that forms the transparent Cornea

Given below is the outline of the human body showing the important glands:

1. Name the glands marked 1 to 4.
2. Name the hormone secreted by part 2. Give one important function of this hormone.
3. Name the
...

State one relevant observation: Action of concentrated nitric acid on copper.

In the electroplating of an article with silver, the electrolyte sodium argento cyanide solution is preferred over silver nitrate solution.

Give reasons why:

The suppressed allele of a gene.

Give appropriate biological / technical term

The energy required to remove an electron from a neutral isolated gaseous atom and convert it into a positively charged gaseous ion is called ______ . (electron affinity, ionisation potential,...

State the main functions of the following:

1. Medulla Oblongata
2. Cytokinins
3. Tears
4. Coronary Artery
5. Seminal Vesicles