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 Both a & b

Bandwidth is measured as the amount of data that can be transferred from ONE POINT to another within a NETWORK in a SPECIFIC amount of time. Typically, bandwidth is expressed as a bitrate and measured in BITS per second (bps).

 MAGMA is injected into surrounding rock forming an igneous intrusive

Magma is injected into surrounding rock forming an igneous intrusive is the statement that BEST DESCRIBE an igneous intrusion.

 Albert Einstein

Einstein presented his general THEORY of relativity more than 100 YEARS ago. According to that foundational theory, now known as special relativity, the LAWS of physics don't care how fast you are going — the laws of physics and the speed of LIGHT are the same.

 zero

You see that the field lines NEAR the center are parallel to the length of the bar. Moreover, the density of the field lines on the picture is maximized at the "poles" of the bar magnet and minimized at the center which means that the magnitude of the magnetic field is smallest at the center, too. It's not HARD to see why the field lines look approximately as those on the picture above. For an infinitely long magnet, the magnetic field would be fully CONFINED to the cylinder - think of an infinitely long solenoid which essentially has the same magnetic field as a bar magnet. For a bar magnet of a finite length, the field lines ultimately split behind the poles but they're still comparably strong over there. On the other HAND, the field outside the bar, and far from the poles, is only nonzero because of some subleading EFFECTS; it would vanish for an infinitely long solenoid - that's why the field is so small over there.

 Surface tension

The Camphor slowly dissolves in the water LOWERING the latter's surface tension in the immediate NEIGHBOURHOOD. The stronger pull exerted by the uncontaminated portion of water BRINGS about a MOVEMENT of the surface and the camphor particles are carried ALONG with it. When after sometime the whole surface settles for the reduced tension, the movement of the camphor too short.

 SURFACE tension

Materials for rain proof coats and tents owe their water proof properties to Surface Tension. The surface of a liquid BEHAVES LIKE an elastic membrane and THEREFORE, has a tendency to contract. This property of liquid is called Surface Tension.

 SCHOTTKY DIODE

A METAL SEMICONDUCTOR JUNCTION diode is called Schottky diode.

 275 J

 Pyrometer

Pyrometer is BEST suited for measuring the temperature INSIDE METALLURGICAL FURNACES.

 Romer

Galileo attempted to record the time between lantern signals but was UNSUCCESSFUL because the distance involved was too small and LIGHT simply moved too fast to be MEASURED this way. Around 1676, Danish ASTRONOMER OLE Romer became the first person to prove that light travels at a finite speed.

 Evaporative Cooling

Desert coolers are based on the simple PRINCIPLE that when UNSATURATED air COMES in contact with water, the water EVAPORATES. In the process, the moisture content of air increases, while its TEMPERATURE decreases. The resulting cold but moist air is used for providing cooling.

 The FORCES of cohesion are very large

Any matter that is a solid has a definite shape and a definite volume. The molecules in a solid are in fixed positions and are close together. ALTHOUGH the molecules can still VIBRATE, they cannot move from one part of the solid to ANOTHER part. As a result, a solid does not easily CHANGE its shape or its volume.

 HENRI BECQUEREL

Natural RADIOACTIVITY was DISCOVERED by Henri Becquerel.

 GLASS

Speed of SOUND is the GREATEST in glass.

 Graphite

Conductivity is the capacity to transmit current or HEAT. Pure ELEMENTAL silver is the best conductor of ELECTRICITY. Copper, gold, aluminium are good CONDUCTORS of electricity.

 Sun

The sun is what makes the WATER CYCLE WORK. The sun PROVIDES what almost everything on Earth needs to go—energy, or HEAT.

 Time

In physics, there are seven fundamental physical QUANTITIES that are measured in base or physical fundamental UNITS: length, mass, time, electric current, temperature, amount of substance and LUMINOUS intensity.

 2k1k2/k1+k2

Equivalent K will be 2k1k2/k1+k2.

 700 NM

Red LIGHT has a WAVELENGTH of 70 A°. In "nm" it is 700 nm.

 Phototropic

The LOCOMOTION of INSECTS to the SOURCE of LIGHT is CALLED Phototropic.

 DECREASES

If the SPINNING speed of the EARTH is increased then the WEIGHT of body at the equator decreases.

 1568 J

A mass of 20 kg is at a height of 8 m above the ground. Then the POTENTIAL ENERGY possessed by the body is 1586 J.

 TWO dissimilar metals

A thermocouple consists of two dissimilar metals, joined together at one end. When the JUNCTION of the two metals is cooled or heated a VOLTAGE is produced that can be correlated back to the temperature. Most thermocouple alloys are commonly available as wire.

 Infra red

Glass transmits visible light but blocks infrared thermal radiation from escaping. This amplifies the heat trapping effect. A solar cooker, or solar oven, is a device which USES the energy of direct sunlight to heat food or drink to cook it or STERILIZE it. The vast majority of the solar cookers presently in USE are relatively cheap, low-tech devices. Because they use no fuel and cost nothing to operate, many NONPROFIT organizations are promoting their use worldwide to help reduce fuel costs for low-income people, reduce air pollution and slow deforestation and desertification, caused by use of firewood for cooking. Solar cooking is a FORM of outdoor cooking and is often used in situations where minimal fuel consumption is important, or the danger of accidental fires is high.

 4°C

An especially NOTABLE irregular maximum DENSITY is that of water, which REACHES a density PEAK at 3.98°C (39.16°F) APPROXIMATELY 4^oC.

 Zero

The frequency of direct current (DC) is 0 Hz, as the current only flows in ONE direction.

<P> Psinq sina

The CARTESIAN Coordinates can be retrieved from SPHERICAL coordinates (L,q,a) by:
X = r.sinq.cosa
Y = r.sinq.sina
Z = r.sinq
Using the same we get for P,
Y = P.sinq.sina

 ALLOY and drop-forged STEEL

The SAFEST HAMMERS are those with HEADS that are alloy and drop-forged steel.

 Scattering of the sunlight by water molecules

When sunlight hits the surface of sea or ocean, some of the light gets reflected back, WHEREAS, most of the longer wavelengths such as red, orange and yellow penetrate sea water and get absorbed by the water molecules. So only the shorter wavelengths of light which CONTAIN VIOLET and blue colors are reflected back to REACH our EYES. Hence the sea water appears blue.

 NEWTON

SI UNIT of FORCE is Newton.

 Candela

Candela is the SI UNIT of LUMINOUS INTENSITY.

 Angular MOMENTUM

The DIMENSION of PLANCK constant EQUALS to that of angular momentum.

 Aluminium

Aluminium is GOOD CONDUCTORS of ELECTRICITY.

 Betatron

Betatron is PREFERRED for ACCELERATING ELECTRONS.

 Electrical conductance

The siemens (symbol: S) is the DERIVED unit of electric conductance, electric SUSCEPTANCE, and electric admittance in the INTERNATIONAL System of Units (SI).

 Density

The MAGNITUDE of BUOYANT FORCE depends on the density of the FLUID.

 steel

SOUND travels FASTEST through solids. This is because molecules in a solid medium are much closer together than those in a LIQUID or gas, allowing sound waves to travel more QUICKLY through it. In fact, sound waves travel over 17 times faster through steel than through air.

 Length and size of the lens

One can DISTINGUISH a telescope from a MICROSCOPE by OBSERVING length and size of the lens.

 total internal reflection

The optical FIBRE is a device which works on the principle of total internal reflection by which light signals can be transmitted from one PLACE to another with a negligible LOSS of energy. Characteristics of Optical Fibre: It has a LARGE BANDWIDTH.

 Dispersion

The OPTICAL phenomenon that is primarily responsible for the observation of rainbow on a RAINY day is dispersion. Rainbow is CAUSED mainly by REFLECTION, refraction and dispersion.

 Electric discharge

LIGHTNING is an electrical discharge caused by IMBALANCES between STORM CLOUDS and the ground, or within the clouds themselves. Most lightning OCCURS within the clouds.

 Tensiometer

Tensiometer is USED to MEASURE SOIL WATER TENSION.

 ANEMOMETER

The INSTRUMENT USED to MEASURE the speed of the wind is anemometer.

 Frequency modulated

In Analog TV BROADCAST, AUDIO SIGNALS are transmitted by Frequency Modulation (FM), while video signals are transmitted by Amplitude Modulation (AM).

 Potential ENERGY

When a SPRING is compressed, it STORES energy in FORM of elastic potential energy.

 2 m/sq.s

 LUV < LVIS < lIR

The correct RELATIONSHIP AMONG these wavelengths is LUV < lVIS < lIR.

 Thickness, its diameter and its material

In dealing with a coil spring the spring CONSTANT will depend on the stiffness of the spring material, the thickness of the wire from which the spring is WOUND and, diameter of the turns of the coil, the NUMBER of turns per UNIT length and the overall length of the spring.

 Surface area of the bottom of the vessel

The pressure exerted by a static fluid depends only UPON the DEPTH of the fluid, the DENSITY of the fluid, and the acceleration of gravity. Static fluid pressure does not DEPEND on the shape, TOTAL mass, or surface area of the liquid.

 BOOK

Light cannot PASS through book.