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Asked: December 26, 2020In: Class 10 Science

Light enters from air to kerosene having a refractive index of 1.47. What is the speed of light in kerosene?

NCERT Solutions for Class 10 Science Chapter 10 Important Board Questions Light – Reflection and Refraction NCERT Books for Session 2022-2023 CBSE Board and UP Board 3 Marker Questions Questions No: 3

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Asked: December 26, 2020In: Class 10 Science

A compound lens is made up of two thin lenses having power + 12.5 D and -2.5 D. Find the focal length and power of the combination.

NCERT Solutions for Class 10 Science Chapter 10 Important Board Questions Light – Reflection and Refraction NCERT Books for Session 2022-2023 CBSE Board and UP Board 3 Marker Questions Questions No: 2

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Asked: December 26, 2020In: Class 10 Science

Refractive indices of medium A, B and C are 1.3, 1.5 and 1.4 respectively. In which of the following the speed of light well be the. (a) Fastest (b) slowest and why?

NCERT Solutions for Class 10 Science Chapter 10 Important Board Questions Light – Reflection and Refraction NCERT Books for Session 2022-2023 CBSE Board and UP Board 3 Marker Questions Questions No: 1

Aakav

Asked: December 26, 2020In: Class 10 Science

Fill in the blanks: Light rays always travels in…………

NCERT Solutions for Class 10 Science Chapter 10 Important Board Questions Light – Reflection and Refraction NCERT Books for Session 2022-2023 CBSE Board and UP Board Multiple Choice Questions Questions No: 11 part: v

Biology Sir

Asked: December 26, 2020In: Class 10 Science

(a) What are dominant and recessive traits? (b) Is it possible that a trait is inherited but may not be expressed in the next generation? Give a suitable example to justify this statement.

NCERT Solutions for Class 10 Science Chapter 9 Important Board Questions Heredity and Evolution NCERT Books for Session 2022-2023 CBSE Board and UP Board Long Questions: Questions No: 5

Light enters from air to kerosene having a refractive index of 1.47. What is the speed of light in kerosene?

A compound lens is made up of two thin lenses having power + 12.5 D and -2.5 D. Find the focal length and power of the combination.

Refractive indices of medium A, B and C are 1.3, 1.5 and 1.4 respectively. In which of the following the speed of light well be the. (a) Fastest (b) slowest and why?

Fill in the blanks: Light rays always travels in…………

(a) What are dominant and recessive traits? (b) Is it possible that a trait is inherited but may not be expressed in the next generation? Give a suitable example to justify this statement.

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