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Sangam Kumar

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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Sangam Kumar
02 Sep 2021 05:29 PM study24x7 study24x7

Mirror's formula is

A

1/v + 1/u = 1/f

B

1/v - 1/u = 1/f

C

1/f + 1/u = 1/v

D

1/f + 1/v = 1/u

Class 10 Sciences
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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Sangam Kumar
02 Sep 2021 05:17 PM study24x7 study24x7

The green colour of plants is due to the presence of

A

Chlorophyll

B

Leucoplast

C

Phytochrome

D

None of these

Class 10 Sciences
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  • Bhuvaneshwari
    • This question is of class 7 right?
    Like
    Reply 02 Sep 2021 05:24 PM

    Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
    Sangam Kumar
    02 Sep 2021 05:12 PM study24x7 study24x7

    How many lays are there of reflection of light?

    A

    1

    B

    2

    C

    3

    D

    6

    Class 10 Sciences
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  • Ishu Kapoor
    • there are three main lays of reflection of light: (1) Regular Reflection (2)Diffused Reflection (3) Multiple Reflection.
    Like
    Reply 03 Sep 2021 09:35 AM

    Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
    Sangam Kumar
    02 Sep 2021 05:00 PM study24x7 study24x7

    Where is reproductive organ found in plants?

    A

    In stem

    B

    In roots

    C

    In flower

    D

    In fruit

    Class 10 Sciences
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