ICSE Class 9 Physics

Video PDF Link: • Download the Android App: Magnetism Class9 Chapter 10 Physics ICSE Important Links: • Ask Doubts: • Notes: • Online Tests: • DPPs: Magnetism Class9 Chapter 10 Physics ICSE Timestamp: 0:00 Introduction 00:35 Magnets 01:58 Magnetism 03:28 Types of magnet 06:33 Magnetic force 07:49 Magnetic substances and non - magnetic substances 12:27 Magnetic compass 15:54 The bar magnet 17:08 Properties of bar magnet 20:24 Induced magnetism 23:26 Magnetic induction 26:21 Induction precedes attraction 28:06 Induced magnetism is temporary 31:08 Magnetic field 33:08 Magnetic field lines 37:28 Properties of magnetic field lines Magnetism Class9 ICSE Physics| ICSE Physics Class 9| Magnetism Class9 ICSE Selina | Magnetism ICSE Notes |Magnetic field |Induced magnetism | Magnetic field lines | Magnetism Class 9 ICSE Online Tests | Magnetism Class9 ICSE DPPs| Physics 9 ICSE Selina| goyal | dalal LearnoHub.com (formerly called ExamFear Education) is a Free Education platform with more than 600

Video PDF link • Download the Android App: Class 9 Physics ICSE Chapter 4 Pressure in Fluids And Atmospheric Pressure Important links: • Ask Doubts: • Notes: • DPPs: • Online Test: Pressure in fluids and atmospheric pressure | Class9 | ICSE| Physics | Hydraulic machine |pascals law Timestamp: 0:00 Introduction 00:36 Transmission of pressure in Liquids 06:29 Demonstration of Pascals Law 09:35 Application of pascals law 15:11 Examples of Hydraulic machines – Hydraulic press 20:22 Hydraulic Jack 23:40 Hydraulic brakes 26:37 Example 1 30:08 Example 2 33:02 ICSE Ex.4A Q.9 35:02 ICSE Ex.4A Q.12 38:50 ICSE Ex.4A Q.14 Pressure in fluids and atmospheric pressure Class 9 ICSE Physics | ICSE Physics Class 9| Pressure in fluids and atmospheric pressure ICSE Class 9 Selina | Pressure in fluids and atmospheric pressure ICSE Notes | Pressure in fluids and atmospheric pressure Class 9 ICSE Online Tests | Pressure in fluids and atmospheric pressure Class 9 ICSE DPPs|Physics 9 ICSE Selina | dalal|goyal|

"• Download the Android App: Current Electricity Class9 Chapter 9 Physics ICSE Important Links: • Ask Doubts: • Notes: • Online Tests: • DPPs: Current Electricity Class9 Chapter 9 Physics ICSE Timestamp: 0:00 Introduction 00:34 Simple electric circuit 06:51 Insulators 08:58 Conductors 10:18 Closed and open circuits 13:02 Flow of electrons between the conductors 17:15 Direction of the electric current – conventional and electronic flow 21:59 Potential difference 25:41 Unit of Potential difference 27:42 Electrical resistance 29:35 Cause of resistance 31:31 Ohms law 33:22 V-I graph 38:42 Unit of resistance 39:53 Factors affecting the resistance of a conductor 44:16 Efficient use of energy 46:45 Social initiatives 48:23 Example 1 49:19 Example 2 50:24 Example 3 Current Electricity Class9 ICSE Physics| ICSE Physics Class 9| Current Electricity Class9 ICSE Selina | Current Electricity ICSE Notes | Current Electricity Class 9 ICSE Online Tests |Insulators |Ohms Law |Potential difference| Curr

"• Download the Android App: Current Electricity Class 9 Chapter 9 Physics ICSE Important Links: • Ask Doubts: • Notes: • Online Tests: • DPPs: Current Electricity Class 9 Chapter 9 Physics ICSE Timestamp: 0:00 Introduction 00:32 Electricity 02:53 Charges 07:03 Unit of Charge 08:12 Sources of direct current 12:07 Kind of cells 12:40 Primary cells 14:40 Secondary cells 17:04 Cells 20:03 Electric current 23:25 Electric current flow in metals and electrolytes 27:34 Direction of current 29:02 Unit of current 32:16 Symbols used in circuit diagrams 33:07 Direct and alternating current source 35:46 Key 37:49 Resistance wire , rheostat or variable resistance 40:40 Resistance box 41:30 Ammeter 43:44 Voltmeter 46:19 Galvanometer 47:43 Load and connecting wires 49:08 Example 1 50:33 ICSE Ex.9A Q.1 51:15 ICSE Ex.9A Q.2 51:49 ICSE Ex.9A Q.3 Current Electricity Class9 ICSE Physics| ICSE Physics Class 9| Current Electricity Class9 ICSE Selina |Current Electricity ICSE Notes |Electricity| Charges | El

"• Video PDF Link: • Download the Android App: Propagation of sound in a medium Class9 Chapter 8 Physics ICSE Important Links: • Ask Doubts: • Notes: • Online Tests: • DPPs: Propagation of sound in a medium Class9 Chapter 8 Physics ICSE Timestamp: 0:00 Introduction 00:43 Speed of Sound in steel is more than in air 03:41 Factors affecting the speed of sound in a gas 08:52 Example 1 11:00 Factors affecting the speed of sound in a gas 13:53 Factors not affecting the speed of sound in a gas 15:37 Comparison of speed of sound with speed of light 18:50 Consequences if the large difference in the speed of sound and that of light 20:22 Experimental determination of speed of sound in air 23:57 Frequencies of sound waves 28:28 Frequency ranges for hearing and speaking by humans and animals 30:20 Ultrasound and its application 31:13 Properties of Ultrasound 33:17 Applications of ultrasound 40:52 Difference between ultrasonic and supersonic 42:10 Example 2 43:45 Example 3 45:50 Example 4 Propagati

• Video PDF Link: • Download the Android App: Propagation of sound in a medium Class9 Chapter 8 Physics ICSE Important Links: • Ask Doubts: • Notes: • Online Tests: • DPPs: Propagation of sound in a medium Class9 Chapter 8 Physics ICSE Timestamp: 0:00 Introduction 00:35 Sound 03:26 How do we hear Sound ? 06:02 Sound is produced by vibration 14:31 Sound is a form of energy 16:29 Sound propagation requires a material medium 21:23 Requisites of the medium 23:07 Sound can propagate through solid , liquid and gas 27:07 Mechanical waves 28:43 Longitudinal wave 33:54 Transverse wave 37:42 Propagation of sound in a medium ( Amplitude ,wavelength ,time period ,wave velocity, frequency ) 44:01 Displacement time graph 46:21 Displacement distance graph 48:03 Relationship between the wavelength , wave velocity and frequency 51:14 Speed of sound in different media 53:09 Propagation of sound is an isothermal change 55:36 Propagation of sound is an adiabatic change 59:07 ICSE 8A Q.1 01:00:53 ICSE 8A Q

• Video PDF Link: • Download the Android App: Reflection of light Class9 Chapter 7 Physics ICSE Important Links: • Ask Doubts: • Notes: • Online Tests: • DPPs: Reflection of light Class 9 Chapter 7 Physics ICSE Timestamp: 0:00 Introduction 00:34 Relationship between focal length and radius of curvature 15:18 Example 1 16:21 Example 2 17:03 Sign conventions for the measurement of distances 26:08 Formulae for the spherical mirror 33:20 Linear magnification 38:38 Uses of concave mirrors 42:43 Uses of convex mirrors 44:49 Distinction between a plane , concave and convex mirror without touching 47:27 Difference between concave and convex mirror 49:51 Example 3 53:05 Example 4 56:07 ICSE Ex. 7C Q.3 01:00:20 ICSE Ex.7C Q.6 01:03:39 ICSE Ex.7C Q.13 01:04:58 ICSE Ex.7C Q.14 Reflection of light Class9 ICSE Physics| ICSE Physics Class 9|Reflection of light Class9 ICSE Selina | Reflection of light ICSE Notes |Linear magnification |Uses of concave and convex mirror| Formulae of Spherical mirrors| R

"• Video PDF Link: • Download the Android App: Reflection of light Class9 Chapter 7 Physics ICSE Important Links: • Ask Doubts: • Notes: • Online Tests: • DPPs: Reflection of light Class9 Chapter 7 Physics ICSE Timestamp: 0:00 Introduction 00:32 Spherical mirrors 03:24 Types of Spherical mirrors 09:43 Characteristics of the image formed by a plane mirror 06:53 Terms related to a spherical mirror 11:51 Reflection of light ray from a Spherical mirror 17:20 Focus & focal length 20:35 Focal length & focal plane 22:26 Convenient rays for the construction of image by ray diagram 30:18 Ray diagrams for formation of images in a concave mirror 58:05 Ray diagram for formation of images in a convex mirror 01:04:24 Example 1 01:07:14 Example 2 Reflection of light Class9 ICSE Physics| ICSE Physics Class 9| Reflection of light Class9 ICSE Selina |Reflection of light ICSE Notes | Spherical mirrors |Types of Spherical mirrors |Ray diagrams in convex mirror| Ray diagrams in concave mirror |Reflection o

• Video PDF Link: • Download the Android App: Reflection of light Class9 Chapter 7 Physics ICSE Important Links: • Ask Doubts: • Notes: • Online Tests: • DPPs: Reflection of light Class9 Chapter 7 Physics ICSE Timestamp: 0:00 Introduction 00:38 Lateral inversion 09:43 Characteristics of the image formed by a plane mirror 13:00 Example 16:37 Images formed in two inclined mirrors 24:26 Example 25:48 Images formed in two inclined mirrors 27:16 Example 28:05 Images formed in a pair of mirrors placed parallel to each other 34:04 Images formed in a pair of mirrors placed perpendicular to each other 37:43 Uses of plane mirror 43:05 ICSE Ex.7A Q.2 45:27 ICSE Ex.7A Q.3 46:46 ICSE Ex.7A Q.4 49:18 ICSE Ex.7A Q.5 51:51 ICSE Ex.7B Q.1 53:01 ICSE Ex.7B Q.2 Reflection of light Class9 ICSE Physics| ICSE Physics Class 9| Reflection of light Class9 ICSE Selina |Reflection of light ICSE Notes | Lateral inversion | Uses of plane mirror| Reflection of light Class 9 ICSE Online Tests | Reflection of light C

"• Video PDF Link: • Download the Android App: Reflection of light Class9 Chapter 7 Physics ICSE Important Links: • Ask Doubts: • Notes: • Online Tests: • DPPs: Reflection of light Class9 Chapter 7 Physics ICSE Timestamp: 0:00 Introduction 00:35 Reflection 03:31 Regular reflection and irregular reflection 06:55 Reflection at a plane surface 10:26 Laws of reflection 13:17 Reflection of a ray of light normally incident on a plane mirror 15:34 Experimental verification of Laws of reflection 22:06 Formation of Image by reflection 26:34 Distinction between a real and virtual image 29:14 Image of a point object by a plain mirror 31:52 Image of an extended object formed by a plain mirror 36:12 Position of Image 43:47 Lateral inversion 46:07 ICSE Ex.7A Q.1 Reflection of light Class9 ICSE Physics| ICSE Physics Class 9| Reflection of light Class9 ICSE Selina | Reflection of light ICSE Notes | Reflection of light Class 9 ICSE Online Tests | Reflection |Laws of Reflection| Experimental verificatio