Which of the following is/are correctly matched?
|(i)||Process by which waste materials
are used to make new products
|(ii)||Large open areas used for
solid waste disposal
A(i) and (ii) only
C(i), (ii) and (iii)
A mirror can form images but a plane glass slab cannot. This is because a mirror
AReflects light while a plane glass slab absorbs light
BRefracts light while a plane glass slab reflects light
CReflects light while a plane glass slab refracts light
DRefracts light while a plane glass slab absorbs light.
ANSWER IS C.
In the graph, O to C represents a moving body. Which of the following is correct for the motion along BC ?
A Forward with uniform velocity.
B Backward with non-uniform velocity.
C Backward with uniform velocity.
D Forward with non-uniform velocity.
Explain it please
In column I, three identical lamps P, Q and R are arranged
in different configurations, while in column II the
information about brightness of lamps are mentioned.
Match column I with column II and select the correct
option from the given codes. (Neglect resistance of
A (i) → (A, C), (ii) → (A), (iii) → (B, C), (iv) → (C, D)
B (i) → (C, D), (ii) → (B), (iii) → (B, D), (iv) → (A, B)
C (i) → (A), (ii) → (C, D), (iii) → (B, C), (iv) → (B)
D (i) → (B, D), (ii) → (C), (iii) → (B, C), (iv) → (A)
Match the column I with column II and select the correct option.
|--Column I||Column II|
|(A) Noise pollution||1. Bathing in rivers with soap|
|(B) Air pollution||2. Factory chimneys|
|(C) Water pollution||3. Burning wood|
|4. Unnecessary blowing horns|
|5. Throwing untreated waste in water bodies|
A (A)-2,3; (B)-5; (C)-4,1
B (A)-1,5; (B)-2,3; (C)-4
C (A)-4; (B)-2,3; (C)-1,5
D (A)-4; (B)-1,5; (C)-2,3