1

CBSE 12th Mathematics Delhi Set 1 - 2023

MCQ (Single Correct Answer)

+1

-0

If a line makes angles of $$90^{\circ}, 135^{\circ}$$ and $$45^{\circ}$$ with the $$x, y$$ and $$z$$ axes respectively, then its direction cosines are:

2

CBSE 12th Mathematics Delhi Set 1 - 2023

MCQ (Single Correct Answer)

+1

-0

The angle between the lines $$2 x=3 y=-z$$ and $$6 x=-y=-4 z$$ is:

Questions Asked from Three Dimensional Geometry (Marks 1)

Number in Brackets after Paper Indicates No. of Questions

Class 12 Subjects

Physics

Electromagnetism

Electrostatics Current Electricity Capacitor Magnetic Effect of Current Magnetic Properties of Matter Electromagnetic Induction Alternating Current Electromagnetic Waves

Optics

Modern Physics

Chemistry

Physical Chemistry

Inorganic Chemistry

Organic Chemistry

Mathematics

Relations and Functions

Calculus

Continuity and Differentiability Application of Derivatives Indefinite Integration Definite Integration Application of Integration Differential Equations

Algebra