Question: Tape speed is measured in:

• 1. feet per second
• 2. meter per second
• 3. inch per second
• 4. nonr

Question: A unit of length equal to the average distance between the earth and sun is called:

• 1. Light year
• 2. Parallax
• 3. Parsec
• 4. Astronomical unit

Question: Joule is the unit of :

• 1. Joule
• 2. energy
• 3. work
• 4. None

Question: Electrical charge is measured in unit of _________?

• 1. Ohm
• 2. Coloumb
• 3. Ampere
• 4. Watt

Question: The current through a conductor between two points is directly proportional to the voltage across the two points, is known as?

• 1. Ohm’s law
• 2. Kirchhoff’s 2nd law
• 3. Kirchhoff’s 1st law
• 4. None

Question: The electric lines of force are____________?

• 1. physically existing near the charges
• 2. physically existing every where
• 3. imaginary
• 4. None

Question: The unit of measurement of intensity of sound is in:

• 1. Decibels
• 2. Lux
• 3. Parsec
• 4. Candela

Question: The most abundant natural Iron oxides are:

• 1. Magnetite and Pyrite
• 2. Magnetite and Bauxite
• 3. Hematite and Pyrite
• 4. Hematite and Magnetite

Question: Which rocks are formed by the alteration of pre-existing rocks by great heat or pressure?

• 1. Igneous rocks
• 2. Sedimentary rocks
• 3. Metamorphic rocks
• 4. Acid rocks

Question: Herbicides are______?

• 1. Insect killing chemicals
• 2. Bacteria killing chemicals
• 3. Weed killing chemicals
• 4. none of these