CBSE Class X – Science Physics Exam (Full Syllabus)

Fleming’s Right-hand rule gives:

Inside the magnet, the field lines move from :

For a current in a long straight solenoid N and S-poles are created at the two ends. Among the subsequent declaration , the incorrect declaration is:

Relative strength of magnetic field at a point in the space adjoining the magnet is shown by the:

The commercial motors use a soft iron core on which the coil is wound because

The change in magnetic feld lines in a coil is the cause of induced electric current in it. Name the underlying phenomenon.

The phenomenon discovered by Faraday.

When a strong bar magnet is pushed into a coil of insulated copper wire connected to a galvanometer, we will observe a deflection in the galvanometer in

The least resistance obtained by using 2 Ω, 4 Ω, 1 Ω and 100 Ω is:

The resistance of hot filament of the bulb is about 10 times the cold resistance. What will be the resistance of 100 W-220 V lamp, when not in use?

When electric current is passed, electrons move from:

Ohm’s law express that:

The commercial unit of electric energy is

Electrical resistivity of a given metallic wire depends upon:

At the time of short circuit, the electric current in the circuit

The unit of electric power may also be expressed as

The maximum resistance which can be made using four resistors each of 2 Ohm

Which of the following phenomena contributes signifcantly to the reddish appearance of the sun at sunrise or sunset?

Milk is a colloid that contains globules of fat and protein. When a beam of light is directed at a glass of milk the light is scattered. That is a great example

Power of a lens is

Effect produced by scattering of light by the atmosphere.

The density of the atmosphere, as we know goes on decreasing as the distance above the sea level increases,this phenomeneon is called

Myopia can be corrected by using

Rainbow is caused due to

The emergent ray in a prism bend at an angle to the direction of the