CBSE Class X – Science Physics Exam (Full Syllabus)

A current-carrying conductor is clench in totally vertical direction. In order to produce a clockwise magnetic feld around the conductor, the current should passed in the conductor:

Inside the magnet, the field lines move from :

Commercial electric motors neglect :

The magnetic field lines:

The magnetic feld inside a long straight solenoid carrying current is:

The nature of magnetic field line passing through the centre of current carrying circular loop is:

A soft iron bar is introduced inside the current carrying solenoid. The magnetic field inside the solenoid:

A device that can convert electrical energy into mechanical energy is

The instrument used for measuring electric current is:

A fuse wire frequently gets burnt when used with a good heater. It is advised to use a fuse wire of

A student drives out an experiment and plots the V-I graph of three samples of nichrome wire with resistances R1 R2 and R3 respectively. Which of the following is huge?

What is the maximum resistance which can be made using five resistors each of 1/5 W?

The commercial unit of electrical energy

S.I unit of resistance

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

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

An ideal ammeter is one which has

The bluish colour of water in deep sea is due to:

The absorption of light by a molecule depends on the

When sunlight passes through a canopy of a dense forest, tiny water droplets in the water scatter light.This is an example of

Power of a lens is

The sky appears black to an astronaut

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

The defect in a person can see nearby objects but not far away objects

When a person can see faraway objects but not nearby objects.