Which lamp has the highest energy efficiency?

Which fuel has the highest Calorific Value ?

In which direction does rainbow appear in the morning?

The change of frequency experienced by the receiver either because of the relative motion of the source or receiver or both:

In the armature and the field magnet of a generator; the stationary part is the

Microfarad is the commonly used unit of:

Focal length of a plane mirror is :

Type of lense used in magnifying glass :

At sunset, the sun looks reddish:

The lines connecting places of equal air pressure :

When a body having mass 'M' is placed at the centre of earth, its weight will be:

"The velocity of sound is maximum in:

The unit of electric charge :

Father of Nuclear Research in India :

The shape of acceleration versus mass graph for constant force is :

The tank appears shallow than its actual depth, due to :

In n-type semiconductor the majority carriers are:

A convex lens is placed in water, its focal length:

Which among the following is not correctly paired?

The first nuclear reactor in India is :

Which among the following has same unit?

Light rays spread everywhere due to the irregular and repeated reflection known as:

Momentum = Mass x _____

Calculate the work done on a body of mass 20 kg for lifting it 2 meter above the ground.

What is the scientific phenomenon behind the working of bicycle reflector?

What is the force of attraction between two bodies when one of the masses is doubled?

Which is the form of energy present in the compressed spring?

Which instrument regulates the resistance of current in a circuit?

Name India's first dedicated navigation satellite:

A fuse wire is characterized by :

A man pushes a metal block and fails to displace it. He does :

The working principle of Optical Fiber Cable (OFC) is:

The concept of radio transmission was first demonstrated by the famous Indian scientist:

Which of the following unit is a fundamental unit?

The image of an object formed on the retina of human eye is:

On which of the following scales of temperature, the temperature is never negative?

A person is comfortable while sitting near a fan in summer because :

The Indian Scientist who won the Japan's highest honour "Order of the Rising Son Gold and Silver Star":

Which of the following is necessary for the dermal synthesis of Vitamin D ?

Study of Moon

The unit a acceleration is :

വായുമലിനീകരണം അളക്കുന്ന യൂണിറ്റ് ?

High boiling point of water is due to ?

മനുഷ്യന്റെ റെറ്റിനയിൽ പതിക്കുന്ന പ്രതിബിംബത്തിന്റെ പ്രത്യേകത എന്ത് ?

ഹൈഡ്രോളിക് പ്രസിന്റെ പ്രവർത്തനതത്വം ഏത് ?

റേഡിയോ പരിപാടികളുടെ ദീർഘദൂര പ്രക്ഷേപണം സാധ്യമാകുന്ന അന്തരീക്ഷ ഭാഗം ഏത് ?

നമ്മുടെ രാജ്യത്ത് വിതരണത്തിനു വേണ്ടി ഉൽപ്പാദിപ്പിക്കുന്ന AC യുടെ ആവൃത്തി എത്ര ?

പാർസെക് എന്നത് എത്ര പ്രകാശവർഷമാണ്

Microwave oven was introduced by

As a train starts moving, a man sitting inside leans backwards because of